Visible and sensible changes:
- Added an option to surf Steam pages using internal browser
- Added a welcome page
- Added an ID type to sound effect
- Added a `WAVE` type to prefab sound effect
- Added functionality to play prefab sound effect with wave object to the `SFX` function
- Added a `STOP` function to stop any audio
- Fixed a preview issue with inactive map layers
- Fixed a boolean evaluating bug with library object
Transparent changes:
- Added a frame cache to the sprite editor
- Fixed a tag setting bug with undo operation in the sprite editor
- Fixed an unsaved state issue with new created assets