manual??? and refactoring

spel.c

@@ -12,12 +12,14 @@
  */
 
 #include "grid_game_engine.h"
+#include "manual.h"
 #include "minigame_menu.h"
 
 int main(void) {
     init_engine();
 
-    // 5. Speel het spel.
+    // Speel het spel.
+    // manual((coordinate){0,3});
     minigame_menu();
 
     cleanup_engine();