Feel free to create a little page about yourself in the “users” namespace. See the namespaces documentation for help.
As a suggestion, answer some of these questions on your page:
What OSes or Distros do you use?
When did you first install a BSD/Linux system?
What would you like to learn more about?
What shell do you use?
What window manager or desktop environment do you use?
What has you excited lately? (Like a language you just discovered, or some software that's new or new to you)
Add a question if you think of a good one.