Pandemic

Additions:

- Adds config options spreadRadius and spreadSecondChance configuring auto-spread to nearby entities with given chance per second and radius
- Adds config option applyChanceDisease that defines the chance a mob hitting the player/another-mob spreads the goovid to that player/mob
- Adds config option applySpawnChance that defines the chance a mob spawns with gooVid-20 already applied (counts for almost all types of spawning including spawneggs)

Changes:

- Sanitizer has 4 durability now, non-stackable