Fix broken link to blog post
Fix broken link to blog post

justin808/react-webpack-rails-tutorial,szyablitsky/react-webpack-rails-tutorial,jeffthemaximum/Teachers-Dont-Pay-Jeff,phosphene/react-on-rails-cherrypick,jeffthemaximum/jeffline,jeffthemaximum/Teachers-Dont-Pay-Jeff,jeffthemaximum/Teachers-Dont-Pay-Jeff,phosphene/react-on-rails-cherrypick,justin808/react-webpack-rails-tutorial,jeffthemaximum/jeffline,jeffthemaximum/jeffline,shakacode/react-webpack-rails-tutorial,szyablitsky/react-webpack-rails-tutorial,suzukaze/react-webpack-rails-tutorial,justin808/react-webpack-rails-tutorial,justin808/react-webpack-rails-tutorial,szyablitsky/react-webpack-rails-tutorial,jeffthemaximum/Teachers-Dont-Pay-Jeff,suzukaze/react-webpack-rails-tutorial,szyablitsky/react-webpack-rails-tutorial,phosphene/react-on-rails-cherrypick,suzukaze/react-webpack-rails-tutorial,phosphene/react-on-rails-cherrypick,jeffthemaximum/Teachers-Dont-Pay-Jeff,jeffthemaximum/jeffline,shakacode/react-webpack-rails-tutorial,shakacode/react-webpack-rails-tutorial,shakacode/react-webpack-rails-tutorial,jeffthemaximum/jeffline,suzukaze/react-webpack-rails-tutorial