Version1.15

1.15 is complete.

Changes/Refactoring:

• Particles (pre 1.13 system and post 1.13)
• Entity MetaData: dynamic index calculation, way easier to implement newer versions
• All new 1.15 packets
• PacketEntitySoundEffect: 985c4b31

Flattening:

• Mob Effects: 60da3296
• Particles: da79690b, 985c4b31
• Paintings (motives): 60da3296