Indices for 2nd try modelling

inventory-2nd-try-indices.coffee

@schema = IndexedDBBackbone.describe('experiment1')
  .createStore('catalog_items', keyPath: 'id')
  .createStore('inventory_items', keyPath: 'id')
  .createIndex( 'catalog_items',
                'queryIndex', 
                ['serialized',
                 'category_id',
                 'locations_with_quantity'],
                { unique: false, multiEntry: true })
  .createIndex('inventory_items', 'catalogItemIndex', 'catalog_item_id', unique: false)