Add gamemodes/maps to Lava Rising

Gamemodes:
- Extreme (build height of y320)
- Quick Rising (lava rises at a quicker rate)
- Falling Lava (random air blocks above the lava line can turn to lava)
- Solo Queue
- Teams
- Modifiers and Extreme Modifiers (increases/decreases certain things, extreme does more wild things)

Maps:
- Forest
- Town
- High rise/office