update v38.8

The last month of updates will feature 2 revamps and some new stuff, get ready!
-
- Revamped the wall piano (4 colors) 
- Added an open/close animation for each of the keyboard cover
- Revamped the parade drum (2 colors) and added a version with the drum sticks

*Everyone who already bought the asset can get the new stuff for free

See you and happy game-making! :)