Start Network Protocol Document

[benjchristensen]

As per initial agreement in #1 we will start defining a network protocol.

[benjchristensen]

A placeholder document now exists at https://github.com/reactive-streams/reactive-streams-io/tree/master where pull requests can be submitted to. The file can be renamed, broken up, moved etc as needed.

[tmontgomery]

Go ahead and assign this to me, @benjchristensen

[benjchristensen]

@tmontgomery I've assigned this issue to you.

Also, @danarmak has submitted #4 to start the conversation.

[tmontgomery]

Just FYI. Traveling to QCon London. So, in and out a good bit for the next several days. So, sorry for any delays.

[tmontgomery]

Back to QCon London. Brought a cold with me. But back at it now. Will be catching up today.

[benjchristensen]

Welcome back, sorry about the cold!