Support loading bitmap fonts from an asset pack

include/GameEngine.h

@@ -52,8 +52,10 @@ AssetID load_asset_from_pack(asset_pack_t *pack, const char *filename,
 void unload_asset(AssetID *id);
 
 #ifdef __ANDROID__
-BitmapFont *load_bitmap_font(const char *filepath, u64 tile_width,
-                             u64 tile_height);
+BitmapFont *load_bitmap_font_from_file(const char *filepath, u64 tile_width,
+                                       u64 tile_height);
+BitmapFont *load_bitmap_font_from_pack(const char *filepath, u64 tile_width,
+                                       u64 tile_height, asset_pack_t *pack);
 void unload_bitmap_font(BitmapFont **font);
 #endif // __ANDROID__
 // END ASSET MANAGEMENT API