order queue and print station

db/migrate/20170403155230_create_employees.rb

@@ -0,0 +1,11 @@
+class CreateEmployees < ActiveRecord::Migration[5.0]
+  def change
+    create_table :employees do |t|
+      t.string :name, :null => false
+      t.string :role, :null => false, :default => "cashier"
+      t.string :encrypted_access_code, :null => false
+
+      t.timestamps
+    end
+  end
+end