tools (common/template): new `fallback` settings: `fallback` can be used to change fallback behaviour. By default, fallback is done on `default` theme, this can be set to an other theme with a string, or to a list of fallback. The list can also be empty is no fallback is desired (notably usefull for "main" themes, on which other themes may fallback). This setting replaces `css_default_fallback`.

.. _contribuing:

===========
contribuing
===========

This part of the documentation is for people willing to contribute to the development of
Salut à Toi and its ecosystem, it is not needed to read this if you only plan to use the
software.

.. toctree::
   :glob:
   :maxdepth: 2

   testing