feat(openthread): adds arduino openthread library documentation

[SuGlider]

Description of Change

This PR adds the Arduino OpenThread Documentation.

Test Scenarios

CI Only

Related links

None.

[github-actions]

Warnings

⚠️

Some issues found for the commit messages in this PR: the commit message "fix(op": summary looks empty type/action looks empty the commit message "fix(othread):better phrasing": summary looks empty type/action looks empty Please fix these commit messages - here are some basic tips: follow Conventional Commits style correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test sufficiently descriptive message summary should be between 10 to 72 characters and start with upper case letter avoid Jira references in commit messages (unavailable/irrelevant for our customers) TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

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📖	This PR seems to be quite large (total lines of code: 1928), you might consider splitting it into smaller PRs

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[Copilot]

Pull Request Overview

This PR adds comprehensive OpenThread API documentation for ESP32 Arduino, introducing support for Thread networking on ESP32-H2, ESP32-C6, and ESP32-C5 devices. The documentation covers two distinct programming interfaces: a Stream-based CLI Helper Functions API and an object-oriented Classes API.

Key Changes:

• Documentation for Thread network protocol and topology
• Complete API reference for OpenThread, DataSet, and OpenThreadCLI classes
• CLI Helper Functions API documentation for command-line interface interaction
• Practical code examples covering common Thread networking scenarios

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
docs/en/libraries.rst	Adds OpenThread APIs section with links to four new documentation files
docs/en/openthread/openthread.rst	Main OpenThread documentation covering Thread protocol overview, library structure, device roles, supported hardware, and troubleshooting
docs/en/openthread/openthread_core.rst	Complete API reference for the OpenThread class including network control, dataset management, address management, and device role monitoring
docs/en/openthread/openthread_dataset.rst	Documentation for the DataSet class covering creation, configuration, and management of Thread operational datasets
docs/en/openthread/openthread_cli.rst	Documentation for OpenThreadCLI class and CLI Helper Functions API for command-line interface interaction

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[Copilot]

Pull Request Overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

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[github-actions]

⚠️ Pre-commit Hooks Failed

Some pre-commit hooks failed and require manual fixes. Please see the detailed error report below.

What to do:

1. 📋 View the detailed error report to see which hooks failed
2. 🔧 Fix the issues locally in your code
3. 💾 Commit and push your changes
4. 🔄 The hooks will run again automatically

Need help? Ask in the comments below.

[github-actions]

⚠️ Pre-commit Hooks Failed

Some pre-commit hooks failed and require manual fixes. Please see the detailed error report below.

What to do:

1. 📋 View the detailed error report to see which hooks failed
2. 🔧 Fix the issues locally in your code
3. 💾 Commit and push your changes
4. 🔄 The hooks will run again automatically

Need help? Ask in the comments below.

[me-no-dev]

@SuGlider you broke it again

[github-actions]

⚠️ Pre-commit Hooks Failed

Some pre-commit hooks failed and require manual fixes. Please see the detailed error report below.

What to do:

1. 📋 View the detailed error report to see which hooks failed
2. 🔧 Fix the issues locally in your code
3. 💾 Commit and push your changes
4. 🔄 The hooks will run again automatically

Need help? Ask in the comments below.

[SuGlider]

@SuGlider you broke it again

all good now.