Add Weave install instructions

[FalkoInc]

Install docker
sudo curl -fsSL https://get.docker.com/ |bash

Install weave on Master
sudo curl -L git.io/weave -o /usr/local/bin/weave
sudo chmod a+x /usr/local/bin/weave
sudo weave launch --password

Join Slave to Network
Install docker
sudo curl -fsSL https://get.docker.com/ |bash
sudo curl -L git.io/weave -o /usr/local/bin/weave
sudo chmod a+x /usr/local/bin/weave
sudo weave launch <MASTER_IP_HERE> --password

taken from but slightly modified
https://ordina-jworks.github.io/docker/2018/09/24/docker-networking-with-weave.html