Add offline model and "new" form/controller

app/policies/contest_policy.rb

@@ -47,6 +47,22 @@ class ContestPolicy < ApplicationPolicy
     record.user.id == user.id || user.admin?
   end
 
+  def offline_new?
+    true
+  end
+
+  def offline_create?
+    true
+  end
+
+  def offline_edit?
+    true
+  end
+
+  def offline_update?
+    true
+  end
+
   def scoreboard?
     true
   end