Update SuperTux to 0.6.3
Changes:
- Added swimming
- Added walljumping
- Autotiles
- Updated animations
- Refreshed many contrib worldmaps
- Many updates to paths, with easing, bezier curves, path sharing between objects, and more
- Remade the crystal tileset
- Many new snow tiles
- Many new objects, like the sideways bumper and falling blocks
- Custom particles
- A new rublight object
- Added in-game progress statistics
- New color picker based on OKLab
- Add-on creator, to easily create add-on packages with your world
- Rework of the Revenge in Redmond worldmap
- Added timeshift ambience in the worldmap
- Skippable cutscenes
- Editor auto-saves at regular intervals
- Optional integration with Discord
- Updated translations