animation for attack
finish basic attack animation
add comment to the code
add new attack Shield_Swipe
adjust sth
Merge remote-tracking branch 'origin/Hieu' into dev

Conflicts:
	Assets/Scenes/Test_Scenes/tomTest.unity.meta
	Assets/Scripts/Model/Attacks/A_Attack.cs
	Assets/Scripts/Model/Fighters/A_Fighter.cs
	Assets/Scripts/Test/inputTest.cs