Release 1.20.4-20.4.1.0:

• Update README.md
• Fix Done button disappearing from screen, fixes #17
• Optimize performance, fixes #27, fixes #34
• Add Oculus warning screen
• Stable release for Minecraft 1.20.4
• Add snowball and slime ball particles
• Add FBPSnowParticle water physics
• Code cleanup & improvements
• Add block placing animation, closes #11
• Fix shaders incompatibility, fixes #10, fixes #24
• Add FBPRainParticle transparency adjustment option
• Fix flame particles not spawning while frozen
• Add FBPCampfireSmokeParticle
• Add FBPDripParticle
• Particle physics improvements
• Fix incorrect lighting of FBPTerrainParticle
• Improve FBPTerrainParticle physics