Added some features requested by mnemolli (thx for the feedback!) in the comments for the game:

-ability is now highlighted when it is checked\active;

-when the player or enemy starts their turn, the text "PLAYER TURN" or "ENEMY TURN" appears on the screen.

Other changes:

-sound effect for ability selection has been added;

-the room with the first rat has been changed and the rat attacks immediately when the player enters the room;

-the rats in the next room have been moved a bit and now they attack immediately when the player enters the room;