Add more comments to HTML template

Author: lulunac27a

templates/index.html

@@ -13,6 +13,7 @@ <h1>Endless Task List App using Flask</h1>
             {% with messages = get_flashed_messages() %}<!--get flashed messages to display-->
             {% if messages %}
             <div class="popup-message">
+                <!--display popup messages-->
                 {% for message in messages %}
                 <p>{{ message }}</p>
                 {% endfor %}