Reconnect websocket

[klawr]

Problem Description Once the backend has to be restarted due to a bug or similar the frontend has to be reloaded

Proposed Solution On disconnect start service to try reconnecting every n seconds

Possible Alternative Approaches Show connection status and advise user to reload page or try to reconnect manually.

[klawr]

Implemented manual reconnection with indication that connection is lost. Maybe implement toast in the future