FEATURE: staff action logs when creating/updating/deleting badges

app/models/user_history.rb

@@ -72,7 +72,10 @@ class UserHistory < ActiveRecord::Base
       post_edit: 53,
       topic_published: 54,
       recover_topic: 55,
-      post_approved: 56
+      post_approved: 56,
+      create_badge: 57,
+      change_badge: 58,
+      delete_badge: 59,
     )
   end
 
@@ -123,7 +126,10 @@ class UserHistory < ActiveRecord::Base
       :post_edit,
       :topic_published,
       :recover_topic,
-      :post_approved
+      :post_approved,
+      :create_badge,
+      :change_badge,
+      :delete_badge,
     ]
   end