Our non-GitHub editorial process is opaque

We're still in the process of figuring this out, but that doesn't mean the existing process should be documented.

Big picture, we'll highlight:

1. What happens if your pitch is rejected
   1. What you can do about it
2. What happens if your pitch is accepted
   1. What the editing process looks like
   2. What the publishing process looks like
   3. What happens after publishing