Feature: UniFi Drive (UNAS) service widget (#6461)

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/unifi_drive/widget.js

@@ -0,0 +1,14 @@
+import unifiDriveProxyHandler from "./proxy";
+
+const widget = {
+  api: "{url}{prefix}/api/{endpoint}",
+  proxyHandler: unifiDriveProxyHandler,
+
+  mappings: {
+    storage: {
+      endpoint: "v1/systems/storage?type=detail",
+    },
+  },
+};
+
+export default widget;