message: Move engrams under postmaster.
  Fixes
diff: @@ -7,10 +7,10 @@ import { InventoryBuckets, InventoryBucket } from '../inventory/inventory-bucket
  // TODO: These have to change
  // TODO: We can generate this based on making a tree from DestinyItemCategoryDefinitions
  export const D2Categories = {
  - Postmaster: ['LostItems', 'Messages', 'SpecialOrders'],
  + Postmaster: ['LostItems', 'Messages', 'SpecialOrders', 'Engrams'],
  Weapons: ['Class', 'Kinetic', 'Energy', 'Power'],
  Armor: ['Helmet', 'Gauntlets', 'Chest', 'Leg', 'ClassItem'],
  - General: ['Ghost', 'ClanBanners', 'Vehicle', 'Ships', 'Emblems', 'Engrams'],
  + General: ['Ghost', 'ClanBanners', 'Vehicle', 'Ships', 'Emblems'],
  Inventory: ['Consumables', 'Modifications', 'Shaders']
  };
  