A downloadable game

Commands:
- help: displays the help menu
- cards: shows your card inventory
- battle: battle an enemy
- start: begin the tutorial
- addpepe: adds Pepe to your inventory of cards
- adddoge: adds Doge to your inventory of cards
- addnyan: adds Nyan to your inventory of cards
- addbart: adds Pepe to your inventory of cards
- addkirby: adds Doge to your inventory of cards
- addrick: adds Nyan to your inventory of cards