This repo has resources that you can use to get started using the Atom Crafts plugin for Atom.
This repo works with Atom and the Atom Crafts package. To install it, download and install Atom if you haven't already.
Atom > Preferences > Install and type 'Atom-Crafts'.
There are a few designs to get you stared and they're located in /designs. You'll also find some guides to learn the basic stitch, brick stitch, and information on what tools may be useful as you start out with beading. Those are located in /guides.