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/reusable_ids.h

@@ -4,6 +4,9 @@
 #include <stddef.h>
 #include <stdint.h>
 
+typedef int32_t ObjectID;
+typedef int32_t AssetID;
+
 int32_t reuse_id(int32_t *ids, size_t count);
 
 #endif // !REUSABLE_IDS_H