Prefill original title and content from projecteuler.net

db/migrate/20200501095104_add_original_data_to_problems.rb

@@ -0,0 +1,7 @@
+class AddOriginalDataToProblems < ActiveRecord::Migration[6.0]
+  def change
+    add_column :problems, :pulled_at, :datetime
+    add_column :problems, :original_title, :string
+    add_column :problems, :original_content, :text
+  end
+end