added link back after shortening a link

templates/home.html

@@ -39,6 +39,7 @@
             {% else %}
                <h3>Your shortened URL is: <a href="http://{{short_url}}"> {{short_url}}</a></h3>
                <img src="data:image/jpeg;base64,{{qrcode}}">
+               <p><a href="/">create another link</a></p>
             {% endif %}
             <p class="message">&copy; Made by <a href="https://jonasled.de">jonasled</a><br>
             Sourcecode is available <a href="https://gitlab.jonasled.de/jonasled/url_shorter_docker">here</a><br>