Add a way to sign out of the ui (in "local" mode)

[jimkring]

Right now, there does not appear to be any way to sign out from the UI running in "local" mode.

My use case is that I'm running gel in a docker container (docker compose) and I'm accessing the UI. I can sign in just fine, but there is literally no place in the UI that provides a way to log out.

https://HOST:PORT/ui/_login <- special url for signing in https://HOST:PORT/ui/branch-name <- ui working on a branch

none of these seem to work 😦

https://HOST:PORT/ui/_logoff https://HOST:PORT/ui/logoff https://HOST:PORT/ui/_logout https://HOST:PORT/ui/logout

What's needed:

• Some UI element that makes it obvious/easy to sign out
• Some endpoint or javascript that does the signing out.

Workaround: Clear browser cache in the developer console of the browser