ENGCOM-9173: [ReadMe] updated readMe file for EavGraphQl-EncryptionKey modules #33661

Author: gabrieldagama

app/code/Magento/EavGraphQl/README.md

@@ -1,3 +1,15 @@
-# EavGraphQl
+# Magento_EavGraphQl module
 
-**EavGraphQl** primarily provides the GraphQl module information to generate metadata for Eav attributes.
+Magento_EavGraphQl module extends Magento_GraphQl and Magento_Eav modules to provide type and resolver information for GraphQL API.
+
+## Installation details
+
+For information about enabling or disabling a module in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.3/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Additional information
+
+You can get more information at articles:
+
+- [GraphQl In Magento 2](https://devdocs.magento.com/guides/v2.4/graphql).
+- [customAttributeMetadata query](https://devdocs.magento.com/guides/v2.4/graphql/queries/custom-attribute-metadata.html).
+- [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html)

app/code/Magento/Elasticsearch/README.md

@@ -1,2 +1,32 @@
-Magento\Elasticsearch module allows to use Elastic search engine for product searching capabilities.
-The module implements Magento\Search library interfaces.
+#Magento_Elasticsearch module
+
+Magento_Elasticsearch module allows using the Elasticsearch engine for the product searching capabilities. This module 
+provides logic used by other modules implementing newer versions of Elasticsearch, this module by itself only adds 
+support for Elasticsearch v5.
+
+The module implements Magento_Search library interfaces.
+
+## Installation details
+
+The Magento_Elasticsearch module is one of the base Magento 2 modules. You cannot disable or uninstall this module.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Structure
+
+`Elasticsearch5/` - the directory that contains solutions for providing ElasticSearch 5.x version.
+
+`SearchAdapter/` - the directory that contains solutions for adapting ElasticSearch query searching.
+
+For information about a typical file structure of a module in Magento 2, see [Module file structure](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/build/module-file-structure.html#module-file-structure).
+
+## Additional information
+
+For information about significant changes in patch releases, see [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html).
+
+More information about ElasticSearch are at articles:
+
+- [Configuring Catalog Search](https://docs.magento.com/user-guide/catalog/search-configuration.html).
+- [Installation Guide/Elasticsearch](https://devdocs.magento.com/guides/v2.4/install-gde/prereq/elasticsearch.html).
+- [Configure and maintain Elasticsearch](https://devdocs.magento.com/guides/v2.4/config-guide/elasticsearch/es-overview.html).
+- Magento Commerce Cloud - [set up Elasticsearch service](https://devdocs.magento.com/cloud/project/services-elastic.html).

app/code/Magento/Elasticsearch6/README.md

@@ -1,2 +1,22 @@
-Magento\Elasticsearch module allows to use Elastic search engine (v6) for product searching capabilities.
-The module implements Magento\Search library interfaces.
+#Magento_Elasticsearch6 module
+
+Magento_Elasticsearch6 module allows using ElasticSearch engine 6.x version for the product searching capabilities.
+
+The module implements Magento_Search library interfaces.
+
+## Installation details
+
+The Magento_Elasticsearch6 module is one of the base Magento 2 modules. Disable or uninstall this module is not recommends.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Additional information
+
+For information about significant changes in patch releases, see [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html).
+
+More information about ElasticSearch are at articles:
+
+- [Configuring Catalog Search](https://docs.magento.com/user-guide/catalog/search-configuration.html).
+- [Installation Guide/Elasticsearch](https://devdocs.magento.com/guides/v2.4/install-gde/prereq/elasticsearch.html).
+- [Configure and maintain Elasticsearch](https://devdocs.magento.com/guides/v2.4/config-guide/elasticsearch/es-overview.html).
+- Magento Commerce Cloud - [set up Elasticsearch service](https://devdocs.magento.com/cloud/project/services-elastic.html).

app/code/Magento/Elasticsearch7/README.md

@@ -1,2 +1,28 @@
-Magento\Elasticsearch7 module allows to use Elastic search engine (v7) for product searching capabilities.
-The module implements Magento\Search library interfaces.
+#Magento_Elasticsearch7 module
+
+Magento_Elasticsearch7 module allows using ElasticSearch engine 7.x version for the product searching capabilities.
+
+The module implements Magento_Search library interfaces.
+
+## Installation details
+
+The Magento_Elasticsearch7 module is one of the base Magento 2 modules. Disable or uninstall this module is not recommends.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Structure
+
+`SearchAdapter/` - the directory that contains solutions for adapting ElasticSearch query searching.
+
+For information about a typical file structure of a module in Magento 2, see [Module file structure](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/build/module-file-structure.html#module-file-structure).
+
+## Additional information
+
+For information about significant changes in patch releases, see [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html).
+
+More information about ElasticSearch are at articles:
+
+- [Configuring Catalog Search](https://docs.magento.com/user-guide/catalog/search-configuration.html).
+- [Installation Guide/Elasticsearch](https://devdocs.magento.com/guides/v2.4/install-gde/prereq/elasticsearch.html).
+- [Configure and maintain Elasticsearch](https://devdocs.magento.com/guides/v2.4/config-guide/elasticsearch/es-overview.html).
+- Magento Commerce Cloud - [set up Elasticsearch service](https://devdocs.magento.com/cloud/project/services-elastic.html).

app/code/Magento/Email/README.md

@@ -1,4 +1,40 @@
-# Email
+# Magento_Email module
 
-**Email** enables you to manage email templates, which are used when you send email through the
-*\Magento\Framework\Mail\TransportInterface* implementations.
+Magento_Email module enables you to manage email templates.
+
+This module adds the page to create/edit email template at the admin side and possibility add/update templates programmatically.
+
+## Installation details
+
+The Magento_Email module is one of the base Magento 2 modules. You cannot disable or uninstall this module.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_Email module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_Email module.
+
+### Layouts
+
+The module introduces layout handles in the `view/adminhtml/layout` directory.
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).
+
+### UI components
+
+You can extend product and category updates using the configuration files located in the `view/adminhtml/ui_component` directory.
+
+For information about a UI component in Magento 2, see [Overview of UI components](https://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).
+
+## Additional information
+
+For information about significant changes in patch releases, see [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html).
+
+More information about email templates are at articles:
+
+- [Marketing/Email](https://docs.magento.com/user-guide/marketing/email-templates.html)
+- [Email templates list](https://docs.magento.com/user-guide/marketing/email-template-list.html)
+- [Customize email templates](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/templates/template-email.html)
+- [Migrating custom email templates](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/templates/template-email-migration.html#nested-arrays)

app/code/Magento/EncryptionKey/README.md

@@ -1 +1,21 @@
+#Magento_EncryptionKey module
+
 The Magento_EncryptionKey module provides an advanced encryption model to protect passwords and other sensitive data.
+
+## Extensibility
+
+Extension developers can interact with the Magento_EncryptionKey module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_EncryptionKey module.
+
+### Layouts
+
+This module introduces the following layouts and layout handles in the `view/adminhtml/layout` directory:
+
+- `adminhtml_crypt_key_index`
+
+## Additional information
+
+For information about significant changes in patch releases, see [2.4.x Release information](https://devdocs.magento.com/guides/v2.4/release-notes/bk-release-notes.html).
+
+Some more information you can get at [Encryption Key](https://docs.magento.com/user-guide/system/encryption-key.html) article.