Basic WiFi Router target

New systemd target "Basic WiFi Router"

### WAN
`ETH0` — dhcp client

### LAN 
`ETH1`, `USB Ethernet`, `WIFI AP` — dhcp server

### WiFi Settings 
* Access point on dual bands — 2.4 GHz + 5 GHz 
* Please adapt saved NetwokManager connections and make it active on boot. Use the same logic of generating SSID and same passowrd

### Enabled services
* `iperf3`
* NAT between LAN->WAN