Update Readme.md

journal/Readme.md

 # Journal de bord du Mooc / Mooc's logbook
 
-FR
+## About Jupyter Notebook
 
-Espace réservé au journal de bord du Mooc
+* Help on usage & shortcuts: [https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/](https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/)
+* Execute Py and R within the same notebook: use the `rpy2` library ```%load_ext rpy2.ipython```, then use the `%%R` command in a new cell (`%%R -i df` to pass the python pandas dataframe `df` to R)
+* Jupyter extensions: [https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions.html](https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions.html)
 
-EN
+## Pulier/Partager
 
-Reserved for the Mooc's logbook
+* "Sites compagnons" pour archivage: Runmycode, Editeurs
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+* code & pictures: Figshare/Zenodo