When you want to contribute to Zigbee2mqtt please visit the forums and look at https://github.com/Koenkk/zigbee2mqtt When you want to contribute to the Add-on for Home Assistant please look at https://github.com/zigbee2mqtt/hassio-zigbee2mqtt
When you want to contribute to Zigbee2mqtt please visit the forums and look at https://github.com/Koenkk/zigbee2mqtt When you want to contribute to the Add-on for Home Assistant please look at https://github.com/zigbee2mqtt/hassio-zigbee2mqtt