Update index.html.md with details on events & template
Update to events lead list cleanup process in the biz ops how to section.
/mention https://gitlab.com/gitlab-com/marketing/general/issues/3694
Edited by Jennifer "JJ" Cordz
Update to events lead list cleanup process in the biz ops how to section.
/mention https://gitlab.com/gitlab-com/marketing/general/issues/3694