Add Synology DiskStation widget

closes #523

src/widgets/diskstation/widget.js

@@ -0,0 +1,14 @@
+import diskstationProxyHandler from "./proxy";
+
+const widget = {
+  api: "{url}/webapi/DownloadStation/task.cgi?api=SYNO.DownloadStation.Task&version=1&method={endpoint}",
+  proxyHandler: diskstationProxyHandler,
+
+  mappings: {
+    "list": {
+      endpoint: "list&additional=transfer",
+    },
+  },
+};
+
+export default widget;