{{ chair }} as a WG Chair of {{ wg }} wants to add a person with email
{{ delegate_email }} as a {% if shepherd %}shepherd of document {{ shepherd }}{% else %}WG Delegate{% endif %}.

This person don't have an user/password to log into the datatracker so
an email has been seent to {{ delegate_email }} in order to he/she contacs the
Secretariat to request his/her credentials.

When he/she gets her credentials then he/she will send an email to 
{{ chair }} at {{ chair.email.1 }}. 

{{ chair }} could then assign this person as {% if shepherd %}shepherd of document {{ shepherd }}{% else %}WG Delegate{% endif %}.
