link(client): https://drive.google.com/file/d/12Q0GWCTyNK17ofZR6kKyo1210ALnli-d/view

link (server): https://drive.google.com/file/d/1MmGe6qFKRTB6Nl2k82bk_1SPYqP6yqnD/view

video tutorial: http://y2u.be/vNLl1Jox04Q