Implement animation root motion deltas (#84)

Implements root motion and adds a dash attack.

Reviewed-on: #84
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/scripting/mod.rs

@@ -17,6 +17,7 @@ pub struct FighterAttackScript {
     pub iasa_frame: Option<u32>,
     pub wont_autocancel_window: Option<(u32, u32)>,
     pub landing_duration: Option<u32>,
+    pub use_root_motion: bool
 }
 
 impl FighterAttackScript {