Gutenberg Landing Page: Kick-Off

As mentioned by @beafialho in Redesign of the Gutenberg Page, updates to WordPress.org/gutenberg are nearing completion and are far along enough that we can start planning the implementation.

In preparation for the work, I have moved the original WordPress.org Gutenberg theme into its own repository, matching the structure of the WordPress News Theme. This will help open up development since contributors won’t need to set up the full meta environment to contribute. Check out the repository.

Stories

I also went through the latest designs and pulled out some high-level feature sets, framed them as user stories, and added them