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.

fr/odoo-ia/odoo-aplicaciones-ia-apps-2025/index.html

@@ -97,6 +97,12 @@
         .hero-section .subtitle { color: #FFFFFF; font-size: clamp(1.2rem, 2.5vw, 1.8rem); margin-bottom: 2rem; opacity: 0.95; }
         .hero-section .intro { color: #FFFFFF; font-size: clamp(1rem, 2vw, 1.2rem); max-width: 800px; margin: 0 auto; opacity: 0.9; }
     </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>