Import GitHub issues

Import GitHub issues (https://github.com/segler-alex/radiobrowser/issues) to this repo (https://gitlab.com/radiobrowser/radiobrowser-web-angular/-/issues/)

Instructions can be found at: https://docs.gitlab.com/ee/user/project/import/github.html

I have 31 opened issues: https://github.com/segler-alex/radiobrowser/issues/created_by/@davidhedlund