Demo of using jasonm/rich-text#teamwork-sharedb-presence

[jasonm]

Uses https://github.com/teamwork/sharedb presence mechanics and jasonm/rich-text#1 in the rich-text example:

Usage

git clone git@github.com:jasonm/sharedb.git jasonm-sharedb
cd jasonm-sharedb
git checkout -b rich-text-presence-example --track origin/rich-text-presence-example
cd examples/rich-text
# nvm use v10 or something modern
npm install
npm run build
npm run start

[jasonm]

Closing this POC PR, as real development has moved forward 😄

See jasonm/rich-text#1 for more information.