Connected the AssetManager to the GameEngine and added function in the

GameEngine API to allow for loading and removing assets as well as rendering
textures using their AssetID

include/GameEngine.h

@@ -1,15 +1,21 @@
 #ifndef GAME_H
 #define GAME_H
 
+#include "AssetManager.h"
 #include "ObjectStore.h"
+#include "SDL_pixels.h"
+#include "reusable_ids.h"
 #include <stdbool.h>
 
 bool init_game(const char *game_name, int window_width, int window_height,
-               bool full_screen);
+               SDL_Color window_background_color, bool full_screen);
 bool game_running();
 ObjectID add_object(void *object, EventHandlerPtr eh, UpdateFuncPtr uf,
                     RenderFuncPtr rf);
 void remove_object(ObjectID id);
+AssetID load_asset(const char *path, AssetType type);
+void render_texture_asset(AssetID id, float x, float y, float w, float h);
+void close_asset(AssetID id);
 void handle_events();
 void update();
 void render();