added suppliers, weight to item

back-office/db/migrate/20150314033113_create_suppliers.rb

@@ -0,0 +1,16 @@
+class CreateSuppliers < ActiveRecord::Migration
+  def change
+    create_table :suppliers do |t|
+      t.string :name
+      t.string :address
+      t.string :postal_code
+      t.string :town
+      t.string :phone
+      t.string :contact_person
+      t.string :email
+      t.text :note
+
+      t.timestamps null: false
+    end
+  end
+end

back-office/db/migrate/20150314033704_add_supplier_to_item.rb

@@ -0,0 +1,5 @@
+class AddSupplierToItem < ActiveRecord::Migration
+  def change
+    add_column :items, :supplier_id, :integer
+  end
+end