Improve attribution

See https://huggingface.co/spaces/SpacesExamples/docker-examples as well

login.html

@@ -44,6 +44,7 @@
     {% else %}
     <p>{% trans %}No login available, you shouldn't be seeing this page.{% endtrans %}</p>
     {% endif %}
+    <p>This template was created by <a href="https://hf.co/camenduru" target="_blank" >camenduru</a> and <a href="https://huggingface.co/nateraw" target="_blank" >nateraw</a>, with contributions of <a href="https://huggingface.co/osanseviero" target="_blank" >osanseviero</a> and <a href="https://huggingface.co/azzr" target="_blank" >azzr</a> </p>
     {% if message %}
     <div class="row">
         {% for key in message %}