add management of items !

app/models/wow_item_quality.rb

@@ -0,0 +1,9 @@
+class WowItemQuality < ApplicationRecord
+  extend Mobility
+  translates :name
+
+  has_many :wow_items, dependent: :destroy
+
+  validates :name, presence: true
+  validates :item_quality_type, presence: true, uniqueness: true
+end