Make open source

db/migrate/20180329212947_add_confirmed_at_to_guests.rb

@@ -0,0 +1,7 @@
+class AddConfirmedAtToGuests < ActiveRecord::Migration[5.1]
+  def change
+    change_table :guests do |t|
+      t.datetime :confirmed_at
+    end
+  end
+end