Added reference guide for cookieplone-make-commands

[GOGETASSB23]

This PR adds a new Reference Guide for Cookieplone make commands under the docs/reference-guide/ section. It documents various make commands used in Cookieplone and organizes them by category.

Changes Introduced:

Added: docs/reference-guide/cookieplone-make-commands.md

Categorized make commands into Frontend, Backend, Docker, and Utility Commands.

Provides descriptions for each command.

Added: docs/reference-guide/index.md

Introduces the Reference Guide section.

Modified: docs/index.md

Added a link to the Reference Guide so users can navigate to it easily.

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📚 Documentation preview 📚: https://plone6--1861.org.readthedocs.build/

[GOGETASSB23]

@stevepiercy sir, can you please let me know why the tests failed?

[stevepiercy]

@stevepiercy sir, can you please let me know why the tests failed?

When I click the failing check's link, I see this:

https://github.com/plone/documentation/actions/runs/13335555887/job/37249827929?pr=1861

(volto/blocks/block-style-wrapper: line 224) redirect https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties - permanently to https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_cascading_variables/Using_CSS_custom_properties

That's our linkchecker, telling us that Mozilla moved this file. That needs to be done in a separate PR, per https://6.docs.plone.org/contributing/documentation/index.html#documentation-repositories.

[GOGETASSB23]

@stevepiercy sir, how should I update the outdated Mozilla link to avoid test errors? I initially fixed it by updating the file containing the link (submodules/volto/docs/source/blocks/block-style-wrapper.md), but I was advised not to commit submodules. What would be the correct approach to resolve this issue?

[stevepiercy]

I don't think you understand what is a git submodule. It is not the content within a directory named submodules.

See Contribute to documentation for how to proceed, especially Editing external package documentation.

[stevepiercy]

The content in this PR has superfluous formatting, unnecessary emojis, and invalid MyST markup. It is actually worse than issuing the command make help. I can't accept it, much less give this a helpful or constructive review.