ssid: render single wifi-iface with list device for multi-radio SSIDs

uconfig: show human-readable timestamp in config list

ucoord: inject unet service on join/create, derive local-network

ucoord-rrm: import and adapt RRM neighbour sync daemon

uconfig_apply: rename to uconfig-apply

ethernet: fall back to broad-band upstream in find_interface()

offload: add firewall flow offloading schema and renderer

qosify: add QoS module

generate-reader: emit $defs dependencies into module files

ssh: default port to 22 and cli port to 2222 in render code

renderer: centralise board.json parsing into board_json.uc

cli: restrict dry-run command to edit-tree nodes

cli: restrict commit command to edit-tree nodes

renderer: add broad-band uplink support for PPPoE and WWAN

github: add GitHub Actions workflow for schema docs deployment