Groups big update

• you can use groups in: OUT, GET, IN nodes;
• no polling for groups, immediately status update via websocket;
• nice select for devices list;
• output option: always, on state change, on update

big thanks to @vandalon for this update

Connection stability

• websocket reconnect;
• improved out-node statuses;
• removed duplicated messages;
• improved aqara bulbs usage;

Groups support

now you can choose groups in deconz-out node

Battery and reachable homekit support

• added deconz-battery;
• improved initial api fetch;
• reachable status to homekit;

public beta

4 nodes:

• in
• get
• out
• event

Half-support for homekit fromat.