How to start contribute?

From: T. G. <toghrulgasimov_at_gmail.com>
Date: Mon, 10 Jan 2022 00:30:41 UTC 
Hello,
I fixed a lot of bugs in my local related to gnome or other ports. I want
to know how can i get @FreeBSD email and make some bug-fix commits.
I read https://docs.freebsd.org/en/articles/committers-guide but i did not
understand everything.

Thanks in advance.
Toghrul Gasimov.