Implement .blend asset processor (#56)

Reviewed-on: #56
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

src/lib.rs

@@ -38,6 +38,7 @@ use crate::{
 };
 
 mod args;
+pub mod blend_asset;
 pub mod camera;
 pub mod debug_tools;
 pub mod fighter;
@@ -89,6 +90,7 @@ pub struct GameAssetPlugin;
 impl Plugin for GameAssetPlugin {
     fn build(&self, app: &mut App) {
         app.add_plugins((
+            blend_asset::BlendAssetProcessingPlugin,
             RonAssetPlugin::<FighterManifest>::create("fighter.ron"),
             RonAssetPlugin::<StageManifest>::create("stage.ron"),
             RonAssetPlugin::<GameSettings>::create("ron"),