added a page to modify user details

server/djrandom/frontend/static/css/login.css

server/djrandom/frontend/static/player.js

server/djrandom/frontend/templates/_base.html

server/djrandom/frontend/templates/index.html

server/djrandom/frontend/templates/login.html

server/djrandom/frontend/templates/user_details.html

server/djrandom/frontend/user_views.py

server/djrandom/frontend/views.py

server/djrandom/model/user.py