Add stubs for game graphics

src/game_graphics.c

@@ -12,3 +12,7 @@
 void draw_game_background(void) {
 
 }
+
+void draw_tiles(void) {
+
+}

src/game_graphics.h

@@ -4,5 +4,6 @@
 #include <stdint.h>
 
 void draw_game_background(void);
+void draw_tiles(void);
 
 #endif /* _GAME_GRAPHICS_HEADER_ */

src/main.c

@@ -56,6 +56,8 @@ __task int main(void) {
 			if(state.done) break;
 			
 			add_random_tile();
+			
+			draw_tiles();
 		}
 
 	};