Menus finalised, and more levels

Small but important update:

All the menu in Castle Splash are now working. You can select the level you want to play, rather than having to go through the whole game. Also, once clearing the last level, there is no more "Next level" button.

And finally, 3 more levels are available.

My hope is to have at least 10 levels before the submission, and 2 new type of tiles. Stay tuned for further updates