neovim/init: set basic options via vim.options

[NotAShelf]

Less DAGs, more customizability.

Moves interpolated basic vim options into vim.options with a backwards compatible interface. I'm fully intending to deprecate all of the options before merge.

Sanity Checking

• I have updated the changelog as per my changes.
• I have tested, and self-reviewed my code.
• Style and consistency
  • I ran Alejandra to format my code (nix fmt).
  • My code conforms to the editorconfig configuration of the project.
  • My changes are consistent with the rest of the codebase.
• If new changes are particularly complex:
  • My code includes comments in particularly complex areas
  • I have added a section in the manual.
  • (For breaking changes) I have included a migration guide.
• Package(s) built:
  • .#nix (default package)
  • .#maximal
  • .#docs-html
• Tested on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin

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[diniamo]

Missing a breaking changes entry in the release notes.

I'm also in favor of removing the more complex options.

[NotAShelf]

It is not entirely a breaking change since the side effects have been remedied. All renamed options have an equivalent in the new format, except for shift/tab width.

I'll add an entry for those.

[diniamo]

This definitely is a breaking changes, since the renamed options will break the user's configuration if they used to override any of them.

[NotAShelf]

Moved the deprecation/migration notes to the breaking changes section.

[diniamo]

Looking good