If the first one fails (unreachable node for example), the second script
won't be run.
Having 2 separate stages ensure both will always run.

We might want to create a template to deploy on all nodes at the same
time.

Deploy should only be run on the master branch of the
ics-software/ess-opis repository.

- On each push to master the git clone is updated on the LCR workstations.
- Update README and convert it to markdown