core: add new `init_script_path` option: `init_script_path` option can be used in `[DEFAULTS]` to run a script at the end of backend initialisation. A new `init_pre_script` method is used to wait for backend to reach this stage (designed to be used mostly by CLI frontend), then the usual `ready_get` method is finished once the script is finished.

.. _contributing:

============
contributing
============

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

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

   testing