Version 0.2 patch notes:
- added 2 new BGM tracks (The Heart Yearns For A Singing Machine, Prelude)

- added tutorial page

- added animations for title screen and level results screen

- adjusted scene transition to level results

- added new enemy patterns

- added new BG to main menu

-  updated system spawning

- adjusted audio values for SFX and BGM

- fixed audio settings not saving

- fixed bug where power ups don't get collected while the player is invincible

- fixed typo for the title screen

- added UI for non-interactable elements