Update index.html

- Updated jquery to 3.7
- Added DOMpurify 3.0.3

index.html

@@ -55,9 +55,10 @@
       </div>
     </footer>
 
-    <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
+    <script src="https://code.jquery.com/jquery-3.7.0.min.js"></script>
     <script src="https://unpkg.com/masonry-layout@4/dist/masonry.pkgd.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.imagesloaded/4.1.4/imagesloaded.pkgd.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/3.0.3/purify.min.js"></script>
     <script src="script.js"></script>
 </body>
 </html>