Documentation

[QuentinJouet]

From @vdansereau :

We would need:

• a map of the architecture of the code (a developper's documentation),
• a documentation of the output files organization.

[QuentinJouet]

Need to complet the documentation available here :

https://github.com/FloeDynHub/FloeDyn-documentation https://floedyn-documentation.readthedocs.io/en/latest/Install_FloeDyn.html#prerequisites