Added option to toggle scoreboard and maybe possibly fixed gray background (?)

- Fixed background color

- Added different material options for ducks
- Added null material
- Fixed some dumb mistakes

- Added different material options for blocks and weapons

- Added background color

- Added FullFocus
- Added option to disable slash commands

- Made visual mouse sync up with actual mouse in the graphical interface
- Made scores get ordered in scoreboard
- Made scoreboard work offline
- Cleaned up a bunch of code

Added keybinds for hat selector and ruler. Added options menu back to main menu pause menu. Wow, that's a lot of menus!

customquack didn't work

Improved music menu.