add hitbox instruction for amaterasu
add fighter selection on gui. See UI script
change idle animations to loop
setup for implementing new input system
add buff mechanic for fury attack
add knockback parameter under addjoinhitbot function
Merge branch 'dev' into jonathan

Conflicts:
	Assets/Scenes/Levels/TestLevel.unity
- added stage particle effects
- added ama fury
- overhaul of attacks class hierarchy
- added buff application system
- added new level assets