Add basic deadline to sections index

test/models/extension_test.rb

@@ -0,0 +1,17 @@
+# == Schema Information
+#
+# Table name: extensions
+#
+#  id         :integer          not null, primary key
+#  confirmed  :boolean
+#  reason     :text
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+require "test_helper"
+
+class ExtensionTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end