Rekindled Horizons 0.3.4-alpha server update notes

- Use the same mod versions on client and server.
- RHPeripherals: CurseForge project 1710920 / file 9024485.
- Chunk-Pregenerator: CurseForge project 267193 / file 8748866.
- Phosphor is intentionally NOT part of this release.
- Keep FoamFix from the existing pack.
- Back up the world before first launch due to new worldgen/content mods.
