Add VotationType fields to admin poll question form

app/models/concerns/questionable.rb

@@ -3,6 +3,7 @@ module Questionable
 
   included do
     has_one :votation_type, as: :questionable, dependent: :destroy
+    accepts_nested_attributes_for :votation_type
     delegate :max_votes, :multiple?, :vote_type, to: :votation_type, allow_nil: true
   end