added Device profile, default user avatar and server demo configs
added first draft of server demo to push notifications
added package json
ignored some build files
added Device profile
added fixtures for single user
added server config example
untracked server configs
ignored server configs
added handler of the camera button
handled form reset for the user avatar
added user avatar
added camera button and avatar preview
added user avatar to the template
added stable draft for profile Device
tracked server configs
added full documentation