message: make a bunch of attributes optional.
diff: @@ -2,29 +2,30 @@ import { NPC } from '../npc-generation/_common'
  export interface Building {
  key: string
  - passageName: string
  + passageName?: string
  parentKey?: string
  objectType: string
  isChild?: boolean
  type: string
  - name: string
  - wordNoun: string
  + name?: string
  + wordNoun?: string
  associatedNPC?: NPC
  - structure: BuildingStructure
  + structure?: BuildingStructure
  roll: BuildingRolls
  - wealth: string
  - sin: string
  - size: string
  - activity: string
  - roughness: string
  - cleanliness: string
  - diversity: string
  - reputation: string
  + priceModifier?: number
  + wealth?: string
  + size?: string
  + activity?: string
  + roughness?: string
  + sin?: string
  + cleanliness?: string
  + diversity?: string
  + reputation?: string
  material: {
  noun: string
  probability: number
  }
  - tippyDescription: string
  + tippyDescription?: string
  road: string
  notableFeature?: string
  specialty?: string
  