Update README

docker swarm init

docker build -t odmec_hello .

docker stack deploy -c docker-compose.yml odmec

docker image ls

docker service ls

docker run --rm -p 4000:80 --name test1 odmec_hello

docker service ps odmec_web

docker ps 

docker inspect ne8zbeb9usti

docker inspect test1

docker container ps -q

docker rm test1 

docker stack rm odmec

docker swarm leave --force