Libary to easily add skins to the game

(currently incomplete) Skin creation guide: https://github.com/shinrax2/skinlib/blob/main/doc/guide.md
Example Mods:

• https://github.com/shinrax2/skinlib/tree/main/examples/timelines_skinlib_fluent

THIS MOD DOES NOTHING ON IT'S OWN!

Known Issues:

• skins arent synced to peers anyway but will show the base_part to peers

Contributors:

• BangL: feedback for API improvements & fixes
• PunishedBernadetta: help with testing
• SideTrackGames: explaining me stuff
• BeardLib: code for cleaning weapon blueprints for peers