* Add React cheatsheet

Add React cheatsheet and fix some misunderstandings. I think it would be better not to mix JavaScript or Python with HTML.

* update line

* fix issue

* fix issue

* Fix alphabetical order
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>

* Update to HTML
Co-authored-by: NImVector <59611597+LuigiImVector@users.noreply.github.com>