Update Changelog (Demo 1.2)

Hey, i currently made a small update on some issues, and added a few but really small features

• Fixed reversed keybinds on the controls menu
• Fixed a bug displaying Ruffus sliding for no reason
• Added lights to the second half of the stage [might not appear in current savefile, idk how to fix that :( ]
• Removed a few unnecessary spikes
• Improved writing in certain areas
• Overhauled "Taking a seat" Cutscene
• You can now attack the first boss to stall him