Log out an idle user after short timeout

[hunterhector]

Is your feature request related to a problem? Please describe. If the user keeps working on a project and do not log out, it may block the other users.

Describe the solution you'd like Logout the user automatically after a certain time period (15 minutes)

Describe alternatives you've considered N/A

Additional context This may be related to https://github.com/asyml/stave/issues/102