It shouldn't be too hard to take that and put it in an actual client/server architecture. The client needs to have a way to send local operations to the server (this can just be an endpoint on the server) and the server needs a way to broadcast operations to all clients (probably webRTC?).
Here's the code that simulates all the client/server communication: https://github.com/cricklet/blue-ot.js/blob/master/js/ot/orc...
It shouldn't be too hard to take that and put it in an actual client/server architecture. The client needs to have a way to send local operations to the server (this can just be an endpoint on the server) and the server needs a way to broadcast operations to all clients (probably webRTC?).