YAML schema missing markdown extensions

[AdrianoKF]

Context

No response

Bug description

The JSON schema definition for the mkdocs.yml format does not recognize a couple of Markdown extensions:

• The Neoteroi MkDocs plugins
• sane_lists from python-markdown

I can prepare a PR adding the relevant plugins to the schema (however, I might be missing others that I haven't run into just yet).

Related links

• Neoteroi MkDocs plugin: https://www.neoteroi.dev/mkdocs-plugins
• sane_lists markdown extension: https://python-markdown.github.io/extensions/sane_lists/

Reproduction

Not including, since this is not an issue with a generated site.

Steps to reproduce

Here's a snippet from my mkdocs.yml, both lines trigger an error message saying the value is not accepted in VSCode:

markdown_extensions:
  - neoteroi.cards  # https://www.neoteroi.dev/mkdocs-plugins/cards/
  - sane_lists

Full error message:

Value is not accepted. Valid values: "markdown.extensions.abbr", "abbr", "markdown.extensions.admonition", "admonition", "markdown.extensions.attr_list", "attr_list", "markdown.extensions.callouts", "callouts", "markdown.extensions.def_list", "def_list", "markdown.extensions.footnotes", "footnotes", "markdown.extensions.md_in_html", "md_in_html", "markdown.extensions.tables", "tables", "markdown.extensions.toc", "toc", "pymdownx.arithmatex", "pymdownx.betterem", "pymdownx.caret", "pymdownx.critic", "pymdownx.details", "pymdownx.emoji", "pymdownx.highlight", "pymdownx.inlinehilite", "pymdownx.keys", "pymdownx.magiclink", "pymdownx.mark", "pymdownx.smartsymbols", "pymdownx.snippets", "pymdownx.superfences", "pymdownx.tasklist", "pymdownx.tilde".yaml-schema: Abbreviations – Python Markdown(1)

Browser

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• I have attached links to the documentation, and possibly related issues and discussions.
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[squidfunk]

Thanks for reporting. This is not a bug. We can't possibly oversee all extensions in the ecosystem, but you are very much encouraged to submit a PR that adds support for them. Other than that, we're not planning to do so.

[AdrianoKF]

Thanks for the swift response, @squidfunk! I've submitted PR #6381, which adds support for the markdown extensions mentioned above.