* origin:
fix: ts
fix: forwardRef to SidebarItem
fix(cli): one more await in the test
backend-common: make loadBackendConfig return config directly and log all resolved app-configs
This is the first commit of the rollbar plugin. It is fully functional
but will require some additional features to make it more usable and
feature complete. It currently includes a backend wraps the rollbar REST
API and provides data for the frontend plugin.