Add coil monetization meta tag

Closes: #40039

templates/layout.html

@@ -4,6 +4,7 @@
     <title>{% block title %}{{ this.title }} | The Tor Project{% endblock %}</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="monetization" content="$ilp.uphold.com/pYfXb92JBQN4">
     <link rel="stylesheet" href="{{ '/static/css/style.css'|asseturl }}">
     <link rel="stylesheet" href="{{ '/static/fonts/fontawesome/css/all.min.css'|asseturl }}">
     <link rel="stylesheet" href="{{ get_pygments_stylesheet()|url }}">