feat(utils): implement docstrings parsers for other styles

[Snipy7374]

Summary

• Closes GH-1139

This PR is somewhat not ready yet (yes i'll update the tests) but since i believe that i've reached a good point i'm sharing the code to hear suggestions and thoughts about the implementation.

~~(a lot of checks will fail)~~

Checklist

• [ ] If code changes were made, then they have been tested
  • [ ] I have updated the documentation to reflect the changes
  • [ ] I have formatted the code properly by running pdm lint
  • [ ] I have type-checked the code by running pdm pyright
• [ ] This PR fixes an issue
• [ ] This PR adds something new (e.g. new method or parameters)
• [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
• [ ] This PR is not a code change (e.g. documentation, README, ...)

[read-the-docs-community[bot]]

Documentation build overview

📚 disnake | 🛠️ Build #29650710 | 📁 Comparing d60986a453d210bb7873192c275f61df7eb39263 against latest (7fa65774938b88565c236474973d1ce942081e9e)

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Show files changed (47 files in total): 📝 47 modified | ➕ 0 added | ➖ 0 deleted

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api/abc.html	📝 modified
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