Implement up smash, dacus and further improve input system. (#88)

Reviewed-on: #88
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/fighter/animation.rs

@@ -101,4 +101,5 @@ pub enum AnimKind {
     AttackNeutralAir,
     AttackForwardAir,
     AttackDash,
+    AttackUpSmash,
 }