[skip changelog] Update broken or outdated links (#1833)

* [skip changelog] Remove unused link reference definitions in docs

Parts of the documentation use reference links, where the inline markup uses a label, which matches to a link reference
definition elsewhere in the documentation.

The major disadvantage of this approach is that unused link reference definitions are often left behind after the
referencing text is removed, cluttering up the documentation and increasing the maintenance burden. That was the case
here.

The unused link reference definitions are hereby removed.

* [skip changelog] Fix broken links in documentation

Some of the documentation links no longer reached their intended target.

These were not caught by the Markdown link check for one of two reasons:

- Redirects to a useless generic page instead of the moved specific target page
- Links in non-Markdown files

* [skip changelog] Update documentation links that depend on redirects

Some of the links in the documentation used URLs that were redirecting to the new location of the target page.

Even though these links still took the reader to the intended place eventually, it is safest to not rely on them
continuing to work for the long term, so is best to update to point directly to the target.

Author: per1234

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,4 +1,4 @@
-# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/bug-report.md
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/bug-report.yml
 # See: https://docs.github.com/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
 
 name: Bug report

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,4 +1,4 @@
-# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/bug-report.md
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/feature-request.yml
 # See: https://docs.github.com/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
 
 name: Feature request

docs/CONTRIBUTING.md

@@ -366,15 +366,12 @@ If your PR doesn't need to be included in the changelog, please start the commit
 **[skip changelog]**
 
 [0]: https://cla-assistant.io/arduino/arduino-cli
-[1]: https://golang.org/doc/install
+[1]: https://go.dev/doc/install
 [2]: https://taskfile.dev/#/installation
 [3]: https://www.python.org/downloads/
-[4]: https://docs.python.org/3/tutorial/venv.html
-[5]: https://github.com/ofek/hatch
 [6]: https://github.com/protocolbuffers/protobuf/releases
 [7]: https://pages.github.com/
 [9]: https://www.mkdocs.org/
-[10]: https://github.com/jimporter/mike
 [11]: https://github.com/arduino/arduino-cli/blob/master/.github/workflows/deploy-cobra-mkdocs-versioned-poetry.yml
 [12]:
   https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/deploy-cobra-mkdocs-versioned-poetry.md

docs/FAQ.md

@@ -31,7 +31,7 @@ If your question wasn't answered, feel free to ask on [Arduino CLI's forum board
 
 [arduino cli board list]: commands/arduino-cli_board_list.md
 [0]: platform-specification.md
-[1]: https://forum.arduino.cc/index.php?board=145.0
+[1]: https://forum.arduino.cc/c/software/arduino-cli/89
 [screen]: https://www.gnu.org/software/screen/manual/screen.html
 [putty]: https://www.chiark.greenend.org.uk/~sgtatham/putty/
 [monitor command]: commands/arduino-cli_monitor.md

docs/command-line-completion.md

@@ -38,9 +38,9 @@ Remember to open a new shell to test the functionality.
 
 Use `arduino-cli completion fish > arduino-cli.fish` to generate the completion file. At this point you can place the
 file in `~/.config/fish/completions` as stated in the
-[official documentation](http://fishshell.com/docs/current/index.html#where-to-put-completions). Remember to create the
-directory if it's not already there `mkdir -p ~/.config/fish/completions/` and then place the completion file in there
-with `mv arduino-cli.fish ~/.config/fish/completions/`
+[official documentation](https://fishshell.com/docs/current/completions.html#where-to-put-completions). Remember to
+create the directory if it's not already there `mkdir -p ~/.config/fish/completions/` and then place the completion file
+in there with `mv arduino-cli.fish ~/.config/fish/completions/`
 
 Remember to open a new shell to test the functionality.
 

docs/integration-options.md

@@ -87,9 +87,9 @@ contains [example code showing how to implement a gRPC client][grpc client examp
 designed the low level API, have a look at the [commands package] and don’t hesitate to leave feedback on the [issue
 tracker] if you’ve got a use case that doesn’t fit one of the three pillars.
 
-[golang]: https://golang.org/
+[golang]: https://go.dev/
 [arduino pro ide]: https://www.arduino.cc/pro/arduino-pro-ide
-[arduino cloud]: https://create.arduino.cc
+[arduino cloud]: https://cloud.arduino.cc/home
 [continuous integration]: https://en.wikipedia.org/wiki/Continuous_integration
 [continuous deployment]: https://en.wikipedia.org/wiki/Continuous_deployment
 [configuration documentation]: configuration.md

docs/library-specification.md

@@ -14,7 +14,7 @@ and
 as well as [`arduino-cli lib`](commands/arduino-cli_lib.md).
 
 More information about how Library Manager works is available
-[here](https://github.com/arduino/Arduino/wiki/Library-Manager-FAQ).
+[here](https://github.com/arduino/library-registry/blob/main/FAQ.md#readme).
 
 Arduino development software supports multiple microcontroller architectures (e.g. AVR, SAM, etc), meaning that
 libraries may need to work on multiple architectures. The new 1.5 library format doesn’t contain special support for
@@ -23,7 +23,7 @@ code to specific architectures.
 
 ## See also
 
-- [Arduino library style guide](http://docs.arduino.cc/learn/contributions/arduino-library-style-guide)
+- [Arduino library style guide](https://docs.arduino.cc/learn/contributions/arduino-library-style-guide)
 - [Library dependency resolution process documentation](sketch-build-process.md#dependency-resolution)
 
 ## 1.5 library format (rev. 2.2)
@@ -44,9 +44,9 @@ otherwise below, **all fields are required**. The available fields are:
 - **name** - the name of the library. Library names must contain only basic letters (A-Z or a-z) and numbers (0-9),
   spaces ( ), underscores (\_), dots (.) and dashes (-). They must start with a letter or number. They must contain at
   least one letter. Note that libraries with a `name` value starting with `Arduino` will no longer be allowed
-  [addition to the Library Manager index](https://github.com/arduino/Arduino/wiki/Library-Manager-FAQ) as these names
-  are now reserved for official Arduino libraries.
-- **version** - version of the library. Version should be [semver](http://semver.org/) compliant. 1.2.0 is correct; 1.2
+  [addition to the Library Manager index](https://github.com/arduino/library-registry/blob/main/README.md#adding-a-library-to-library-manager)
+  as these names are now reserved for official Arduino libraries.
+- **version** - version of the library. Version should be [semver](https://semver.org/) compliant. 1.2.0 is correct; 1.2
   is accepted; r5, 003, 1.1c are invalid
 - **author** - name/nickname of the authors and their email addresses (not mandatory) separated by comma (,)
 - **maintainer** - name and email of the maintainer
@@ -276,7 +276,7 @@ Editor.
 More information:
 
 - [Arduino sketch specification](sketch-specification.md)
-- [Style guide for Arduino examples](https://www.arduino.cc/en/Reference/StyleGuide)
+- [Style guide for Arduino examples](https://docs.arduino.cc/learn/contributions/arduino-writing-style-guide)
 
 #### Extra documentation
 
@@ -360,8 +360,8 @@ Normally the Arduino IDE treats the contents of the library folder as read-only.
 accidentally modifying example sketches. During the library development process you may want to edit example sketches in
 place using the Arduino IDE. With Arduino IDE 1.6.6 and newer, the read-only behavior can be disabled by adding a file
 named .development to the root of the library folder. A [library.properties](#libraryproperties-file-format) file must
-also be present. The [Library Manager indexer](https://github.com/arduino/Arduino/wiki/Library-Manager-FAQ) will not
-pick up releases that contain a .development file so be sure not to push this file to your remote repository.
+also be present. The [Library Manager indexer](https://github.com/arduino/library-registry/blob/main/FAQ.md#readme) will
+not pick up releases that contain a .development file so be sure not to push this file to your remote repository.
 
 ### A complete example
 

docs/sketch-specification.md

@@ -168,4 +168,4 @@ This feature was added in Arduino IDE 1.6.9.
 ## See also
 
 - [Sketch build process documentation](sketch-build-process.md)
-- [Style guide for example sketches](https://www.arduino.cc/en/Reference/StyleGuide)
+- [Style guide for example sketches](https://docs.arduino.cc/learn/contributions/arduino-writing-style-guide)