A couple of links for the future of Glow Blogs & one that is useful now (go Gutenburg).
Block theme generator – Full Site Editing
Submit the form to create a .zip file with your own WordPress starter theme for full site editing.
Part of WordPress full site editing and themes – Full Site Editing
Full site editing is a set of new WordPress features that helps us edit all parts of our website: Block themes, template editing, site blocks, and global styles.
Go Gutenberg – Learn the New WordPress Editor
Find Your Way Around Gutenberg introduces a brand new writing experience for your WordPress-powered site.
We’ll show you how to navigate the new interface and save time while editing.