roles/council-advisor: Add examples of responsibilities, add email alias
This commit fills in several commented out sections in this page doc, to
provide better documentation of what the Fedora D&I Advisor actually
does in the day-to-day. Specific changes outlined below:
* Add example tickets, blogs, and other content for responsibilities to
Fedora Council and Fedora D&I Team
* Add an explanation/note about specific examples of responsibilities to
the Fedora Community
* Add monitoring and/or responding to mail sent to the Diversity email
alias as a specific responsibility to the Fedora Community
Signed-off-by: Justin W. Flory (he/him) [Fedora Project] <jwf@fedoraproject.org>