mosa lina demo update 01

just a small bunch of little fixes :))

• backgrounds rotate slower

• press B on keyboard at any time to stop/start background rotation

• all controllers should work now (hopefully ^^)

• removed the ability to jump off of projectiles you just spawned

• spears kill frogs

• changed one level that was beatable without tools

• unstuck a cannon

• cannon projectiles despawn after 10 seconds

• cannon projectiles are smaller and floatier