Add Plausible analytics to all 1206 pages

Self-hosted instance at plausible.office.odoo4projects.com.
Injected before </head> on every page; the empty pt booking stub is left untouched.

pt/odoo-ia/odoo-ventas-ia-inteligentes-2025/index.html

@@ -222,6 +222,12 @@
             text-decoration: underline;
         }
     </style>
+    <!-- Privacy-friendly analytics by Plausible -->
+    <script async src="https://plausible.office.odoo4projects.com/js/pa-VLJpcZHbeLiw9Ub8C_MgG.js"></script>
+    <script>
+      window.plausible=window.plausible||function(){(plausible.q=plausible.q||[]).push(arguments)},plausible.init=plausible.init||function(i){plausible.o=i||{}};
+      plausible.init()
+    </script>
 </head>
 <body>
     <script src="/components/header.min.js"></script>