message: add relationship definitions
diff: @@ -80,6 +80,10 @@ export interface NPC {
  malefemale: string
  manwoman: string
  boygirl: string
  + parentNoun: string
  + siblingNoun: string
  + niblingNoun: string
  + childNoun: string
  note?: string
  descriptors: string[]
  descriptor: string
  