Develop theme, draft CFP

[dcwalk]

We've done some exciting brainstorming 2020-01-15, but need to finalize some things:

• [x] discuss format and expand on theme
• [x] @dcwalk make CFP pad, lets write 🔒
• [x] settle/develop theme
• [x] brainstorm name
• [x] draft CFP
• [x] final sign-off on CFP (in signal 2020-02-26)

[dcwalk]

We did this! now to #6 Announce the Thing :loudspeaker: