Fix crashes in main application

Changelog:
- Fix crash on empty emitter config
- Fix engine de-init order
- Update assets file to load for main application

engine/particle_sys.c

@@ -20,6 +20,7 @@ void init_particle_system(ParticleSystem_t* system)
 void play_particle_emitter(ParticleSystem_t* system, const ParticleEmitter_t* in_emitter)
 {
     if (in_emitter == NULL) return;
+    if (in_emitter->config == NULL) return;
 
     if (sc_queue_empty(&system->free_list)) return;
     uint32_t idx = sc_queue_del_first(&system->free_list);

main.c

@@ -28,7 +28,7 @@ int main(void)
     InitWindow(screenWidth, screenHeight, "raylib");
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
 #ifndef NDEBUG
-    load_from_infofile("res/assets_debug.info", &engine.assets);
+    load_from_infofile("res/assets.info.raw", &engine.assets);
     init_player_creation("res/player_spr.info", &engine.assets);
 #else
     load_from_rres("res/myresources.rres", &engine.assets);
@@ -92,6 +92,6 @@ int main(void)
     free_sandbox_scene(&sandbox_scene);
     free_game_scene(&level_scene);
     free_menu_scene(&menu_scene);
-    CloseWindow(); 
     deinit_engine(&engine);
+    CloseWindow(); 
 }