Add Proxmox Backup Server Widget (#879)

* Add Proxmox Backup Server Widget

* Clarification added to Failed Tasks

* Refactor pbs to proxmoxbackupserver

* Removing property instead of recreating object

* minor code styling of proxmoxbackupserver widget

---------

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

src/widgets/proxmoxbackupserver/widget.js

@@ -0,0 +1,22 @@
+import credentialedProxyHandler from "utils/proxy/handlers/credentialed";
+
+const since = Date.now() - (24 * 60 * 60 * 1000);
+
+const widget = {
+  api: "{url}/api2/json/{endpoint}",
+  proxyHandler: credentialedProxyHandler,
+
+  mappings: {
+    "status/datastore-usage": {
+      endpoint: "status/datastore-usage",
+    },
+    "nodes/localhost/tasks": {
+      endpoint: `nodes/localhost/tasks?errors=true&limit=100&since=${since}`,
+    },
+    "nodes/localhost/status": {
+      endpoint: "nodes/localhost/status",
+    },
+  },
+};
+
+export default widget;