Update notes for v2.0

- Completely reworked all levels to have it start off easy and gradually increase in difficulty - Levels 1-4 now serve as the tutorial of the game, using both text and visual cues - Psychedelic mushrooms in some of the forest levels - Improved all sprites and some of the animations - New music for every world (temporarily improvement) - New UI, including main menu, pause menu and tutorial pop-ups - Assist mode (Available in the options menu)