[ModularWarfare-Shining]New AttachmentGUI, OBBHIT optimization And More!

Just syncing Bilibili's video over here
www.bilibili.c...
Link: modrinth.com/m...
In this video, we added:
1. New Attachment GUI.
2. Better OBBHIT.
3. More smooth lean.
4. New Attachment: Stock.
5. More parameters for the barrel and stock.
6. Make ModularMovement inside the mod.
7. Aim, Sneak, Sit, and Crawl will affect bullet spread.
8. No "modelRecoilBackwards" when aiming.