docs: [FC-0074] include tooling in references

[mariajgrimaldi]

Description

This PR includes references to filter tooling, making it easier for developers to find it while reading the documentation.

Testing instructions

You can see the rendered docs here: https://docsopenedxorg--253.org.readthedocs.build/projects/openedx-filters/en/253/reference/filters-tooling.html

Deadline

None

Checklists

Check off if complete or not applicable:

Merge Checklist:

• All reviewers approved
• Reviewer tested the code following the testing instructions
• CI build is green
• Version bumped
• Changelog record added with short description of the change and current date
• Documentation updated (not only docstrings)
• Code dependencies reviewed
• Fixup commits are squashed away
• Unit tests added/updated
• Noted any: Concerns, dependencies, migration issues, deadlines, tickets

Post Merge:

• Create a tag
• Create a release on GitHub
• Check new version is pushed to PyPI after tag-triggered build is
  finished.
• Delete working branch (if not needed anymore)
• Upgrade the package in the Open edX platform requirements (if applicable)

[openedx-webhooks]

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[BryanttV]

Maybe a blank line is necessary:

Suggested change

	Another version would be:
	Another version would be:

Currently, the docs are displayed as follows:

[mariajgrimaldi]

You're right. Thanks!

[BryanttV]

Suggested change

	message (Str): error message for the exception.
	message (str): error message for the exception.

[mariajgrimaldi]

Thank you!

[BryanttV]

LGTM!