Celestial Exploration

- `[CHG]` Workbench fluid capacity changed to 4 buckets (from 8)
- `[NEW]` Workbench fluid tooltips
- `[NEW]` New damage source for solar blocks
- `[CHG]` Tweaked spaceship flight speed
- `[NEW]` Added config for spaceship flight speed
- `[NEW]` Added feature for spaceship to fly faster in space, also configurable
- `[DEV]` Redid the internal logic of the oxygen compressor block entity
- `[FIX]` Sorted out several oxygen compressor bugs
- `[FIX]` Changed item models to be generated instead of handheld, except for steel rod
- `[NEW]` New Venusian mobs, including flare, gust, and voided piglin
- `[CHG]` Shuttle is now spaceship
- `[NEW]` Spaceship model and textures!