Beginner comes under the Developer Section, this allows you to post your own article at the optional category of a beginner if your aren't a professional yet.
To reach at the beginner section you have to go to the official MindStick page i.e., https://www.mindstick.com/ in the front menu you will see a Developer section beside Products which will locate you to the Developer Section where a dropdown menu will appear the fifth option in the following menu is the Beginner button.