* Add licenses
* More licenses
* Ignore messages.json as they are generated
* More licenses
* Also typescript
* Fix alignment
* Add to svg
* Many more licenses
* more licenses
* Better excludes
* Add licenses to docs and md files
* Pre-finalize licenses
* Fix newlines
* Finalize all sourde licenses
* Fix lint
- Reorganize sections for better navigability
- Add table of contents
- Rework frontend assets section for clarity and DRY
- Rework translating section for clarity, add "Add Translations" contribution type
- Move release docs only useful for maintainers to RELEASING.md
- Other miscellaneous improvements