CodeMirror Extension v0.0.1-codemirror

Partial port of Obsidian-latex-suite.

Release v0.0.1-codemirror

List of ported features:
- Snippet engine
  - snippet config in typescript
  - Autofraction
  - Math contex adjusted for latex
  - Snippet variabls in json5
- Keymaps:
  - Matrix shortcuts
  - Tabout
- Highlighting and colorizing brackets
- Concealment of math equations with possible delayed reveal

Not ported:
- Math preview (not currently possible for overleaf so skipping)

Developers using this extension for codemirror editors should use
`SETTINGS_EXPLANATIONS` for the descriptions.