🔧 Add Proxmox VNC preview functionality

frontend/src/components/Proxmox/preview_vnc.php

@@ -0,0 +1,8 @@
+<?php
+
+require 'vm_functions.php';
+
+$vmid = 100;
+$node = 'proxmox';
+
+PreviewVnc($vmid, $node);