Update README.md

README.md

@@ -6,10 +6,14 @@ TODO
 
 using pypi:
 
+``` bash
 pip install pypushflow
+```
 
 from the [git repository](https://gitlab.esrf.fr/workflow/pypushflow.git)
 
+``` bash
 git clone https://gitlab.esrf.fr/workflow/pypushflow.git --recursive
 cd pypushflow
 pip install .
+```
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