add everything to manage reputations

app/models/wow_reputation_tier_level.rb

@@ -0,0 +1,9 @@
+class WowReputationTierLevel < ApplicationRecord
+  extend Mobility
+  translates :name
+
+  belongs_to :wow_reputation_tier
+
+  validates :name, presence: true
+  validates :order, presence: true, uniqueness: { scope: :wow_reputation_tier }
+end