Add Ubiquiti UXG-Lite (#2916)

Co-authored-by: Harry <Harry@cadby.co.uk>

device-types/Ubiquiti/UXG-Lite.yml

@@ -0,0 +1,20 @@
+---
+manufacturer: Ubiquiti
+model: UniFi Gateway Lite
+slug: ubiquiti-unifi-gateway-lite
+part_number: UXG-Lite
+comments: '[UniFi Gateway Lite](https://techspecs.ui.com/unifi/cloud-keys-gateways/uxg-lite)'
+u_height: 0
+airflow: passive
+is_full_depth: false
+weight: 320
+weight_unit: g
+interfaces:
+  - name: WAN 1
+    type: 1000base-t
+  - name: Lan 1
+    type: 1000base-t
+power-ports:
+  - name: Supply
+    type: usb-c
+    maximum_draw: 4