Rename index file from indef.fr.txt to index.txt to dit Sphinx needs and adjusted conf file in consequence.
Moved images from fr/ to book/ so that images would be in central location for both en and fr books.
Add some entities
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As manager, you can access to entity creation forms by using the `site management`_ page.
.. _`site management`: manage
As regular user, the index page or the action box may propose some links to create entities according to the context.