Fix HTML encoding issues in index.html

Author: FRDkeys

index.html

@@ -94,7 +94,6 @@ <h2>Content de te revoir</h2>
         </div>
       </footer>
     </div>
-
-    <script src="app.js"></script>
+<script src="./app.js"></script>
   </body>
 </html>