Tier descriptions

Tier descriptions are alternatives to the default result list. To add these you just add

description:
      - '&5This is a description'
      - '&6It can have multiple lines and support colors'

Example usage:

tiers:
  default:
    '0':
      name: Default
      icon: COBBLESTONE
      price:
        money: 0
      contains:
        COBBLESTONE: 90
        COAL_ORE: 10
      description:
          - '&5This is the default tier'
          - '&6Pretty much just cobble'

DESCRIPTIONS ARE OPTIONAL