Web UI lacks configuration option for Home Assistant discovery

[Forge36]

Is your feature request related to a problem? Please describe. If the gateway becomes lost to Home Assistant and discovery is disabled it's not possible to re-enable via the web UI.

This makes re-enabling difficult as it requires knowing how to re-enable it via MQTT (or the Web UI console?)

Describe the solution you'd like The discovery state is presented in "Information" I'd like a visible toggle in "Configuration" (likely under "gateway") to allow re-enabling discovery.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Per: https://community.openmqttgateway.com/t/stuggling-again-with-home-assistant-mqtt-discovery/2992/16

Send two command to <device>/commands/MQTTtoSYS/config

1. {"disc":true,"save":true} to re-enable discovery
2. {"cmd":"restart"}

Additional context Consider adding these options as well