Rename notes_app.html to index.html

Author: saad2134

notes_app.html index.htmlnotes_app.html renamed to index.html

@@ -414,4 +414,4 @@ <h2 class="text-lg font-semibold text-zinc-700 dark:text-zinc-200 theme-transiti
   </script>
 </body>
 
-</html>
+</html>