Keep the monitor page header inside its PHP block

Its first line closed PHP before the header comment started, so the whole
block rendered as text at the top of the tab.

Plugin/unraid/pages/monitor.php

@@ -1,4 +1,4 @@
-<?php require_once dirname(__DIR__) . '/include/monitor.php'; ?>
+<?php
 // ═══════════════════════════════════════════════════════════════════════════════════════════════
 // PURPOSE
 //   Monitor tab. The main dashboard — CPU per core, memory, GPUs, disks and pools, network,
@@ -45,6 +45,9 @@
 //   api/media.php           now-playing sessions
 //   api/docker_action.php   container actions
 //   api/flag_toggle.php     toggles
+// ═══════════════════════════════════════════════════════════════════════════════════════════════
+require_once dirname(__DIR__) . '/include/monitor.php';
+?>
 <style>
 @keyframes vvRsPulse {
   0%,100% { opacity:.5; transform:scaleX(.9); }