Update entrenament-pdf.html

entrenament-pdf.html

@@ -4,6 +4,9 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Train Model from PDFs</title>
+    <a href="entrenament-pdf.html" style="margin:5px;padding: 5px; border:1px solid green">Entrenament PDF</a>
+    <a href="preguntar-pdf.html" style="margin:5px;padding: 5px; border:1px solid green">Preguntar PDF</a>
+    <br><br>
     <script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs"></script>
     <script src="https://cdn.jsdelivr.net/npm/pdfjs-dist/build/pdf.min.js"></script>
 </head>