inventory setup

db/migrate/20170824110103_create_inventory_definitions.rb

@@ -0,0 +1,10 @@
+class CreateInventoryDefinitions < ActiveRecord::Migration[5.1]
+  def change
+    create_table :inventory_definitions do |t|
+      t.string :item_code
+      t.integer :min_order_level, :default => 0
+      t.integer :max_stock_level, :default => 0
+      t.timestamps
+    end
+  end
+end