message: Improve readme instructions
diff: @@ -10,20 +10,20 @@ Please take into account that currently, multi-stage dockerfiles only work with
  ## Install Docker
  -We need docker version >= 17.05 !
  +Lagoon requires Docker version >= 17.05.
  -### Via brew & cask
  +### Via Homebrew
  -```
  -brew tap caskroom/cask
  +```sh
  +# Allow installation of other Cask versions
  brew tap caskroom/versions
  -
  +# Install Docker for Mac Edge
  brew cask install docker-edge
  ```
  ## Install Submodules
  -```
  +```sh
  git submodules update init --recursive
  ```
  @@ -33,13 +33,13 @@ git submodules update init --recursive
  1. start Lagoon Services
  -```
  +```sh
  docker-compose up -d
  ```
  1. Follow the Services logs
  -```
  +```sh
  docker-compose logs -f
  ```
  @@ -47,12 +47,12 @@ docker-compose logs -f
  1. start OpenShift
  -```
  +```sh
  ./startOpenShift.sh
  ```
  1. test Openshift Node Deployment
  -```
  +```sh
  docker-compose exec tests ansible-playbook /ansible/playbooks/node.yaml
  ```
  