Release 1.21.1-21.1.1.0:

• Add snowball and slime ball particles
• Add FBPSnowParticle water physics
• Optimize performance, fixes #27, fixes #34
• Fix shaders incompatibility, fixes #10, fixes #24
• Add FBPCampfireSmokeParticle
• Stable release for Minecraft 1.21.1
• Add block placing animation, closes #11
• Add Oculus warning screen
• Update README.md
• Particle physics improvements
• Fix flame particles not spawning while frozen
• Add FBPRainParticle transparency adjustment option
• Add FBPDripParticle
• Code cleanup & improvements
• Fix incorrect lighting of FBPTerrainParticle
• Improve FBPTerrainParticle physics