added brands

front-api/db/migrate/20150328132019_create_brands.rb

@@ -0,0 +1,9 @@
+class CreateBrands < ActiveRecord::Migration
+  def change 
+      create_table :brands do |t|
+          t.string :name
+      end
+
+      add_column :items, :brand_id, :integer
+  end
+end