message: Update classTraits backgrounds
diff: @@ -12,7 +12,7 @@ setup.createClass = (town, npc) => {
  const professionTraits = lib.professionTraits[npc.profession]
  if (npc.hasClass !== false && dndClassTraits) {
  - background = dndClassTraits.background.random()
  + background = lib.weightRandom(dndClassTraits.background)
  classWeapon = dndClassTraits.weapon.random()
  } else if (npc.hasClass === false && professionTraits) {
  background = professionTraits.background.random()
  