## Summary of the Pull Request
Accumulated information from internal transition about the modules
development, and reworked it to be added in dev docs. Also the dev docs
intself was restructured to be more organized. New pages was
verified by transition team.
## PR Checklist
- [x] **Dev docs:** Added/updated
---------
Co-authored-by: Zhaopeng Wang (from Dev Box) <zhaopengwang@microsoft.com>
Co-authored-by: Hao Liu <liuhao3418@gmail.com>
Co-authored-by: Peiyao Zhao <105847726+zhaopy536@users.noreply.github.com>
Co-authored-by: Mengyuan <162882040+chenmy77@users.noreply.github.com>
Co-authored-by: zhaopeng wang <33367956+wang563681252@users.noreply.github.com>
Co-authored-by: Jaylyn Barbee <51131738+Jaylyn-Barbee@users.noreply.github.com>
* [FilePreview] Use syntax highlighting for .srt
* Change customTokenColors to customTokenThemeRules
* Ignore text on the same line as a timestamp
* Update tokenization rules
* Update gitignore.js
* Update gitignore.js
* Add custom color for negations
* Add custom color for negations
* Regex refactoring
* Regex refactoring again
* Move customTokenColors to a separate file
* Move customTokenColors to a separate file
* Update devdocs
* Use kebab case for token names
* Update negation color
* Update index.html formatting
