[ Amethyst ] ◾ F4 Menu

This update is not the v2.x rewrite, but preparation work leading up to the rewrite, as well as some bug fixes.

1. [added] official documentation [https://amethyst.rlib.io]
2. [added] new workshop collection
3. [added] new fastdl distribution system
4. [change] preparation work for upcoming amethyst v2.0 rewrite
5. [change] updated urls of all provided static and live wallpapers
6. [change] optimized tab loading
7. [change] rewrote autoloader
8. [change] migrated all configs to sh/cfg/ folder
9. [bug] fixed bind nil error new installs may encounter
10. [bug] fixed issue with streamers tab overlapping buy tabs