Save display times in the db

app/models/contestant.rb

@@ -2,12 +2,13 @@
 #
 # Table name: contestants
 #
-#  id         :integer          not null, primary key
-#  email      :string
-#  name       :string
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
-#  contest_id :integer          not null
+#  id           :integer          not null, primary key
+#  display_time :string
+#  email        :string
+#  name         :string
+#  created_at   :datetime         not null
+#  updated_at   :datetime         not null
+#  contest_id   :integer          not null
 #
 # Indexes
 #
@@ -19,7 +20,6 @@
 #
 class Contestant < ApplicationRecord
   belongs_to :contest
-
   has_many :completions
 
   validates :name, presence: true