[IMP] doc: improve organization of upgrades docs

* Add autodoc directives to generate documentation directly from
  upgrade-util repo.
* Group all upgrades-related reference documentation into one group in
  the sidebar, instead of having two entries.
* Mention `upgrades` vs `migrations` directory. It has been supported
  since a while but nothing was explicit in the documentation.

Original commit: 91a48bfe88

closes odoo/documentation#8846

X-original-commit: ef4b5f87d5
Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>
This commit is contained in:
Alvaro Fuentes
2024-04-15 11:32:58 +02:00
committed by Victor Feyens
parent 06fe32e4ee
commit 459a1c2ebe
6 changed files with 135 additions and 286 deletions
+11
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:nosearch:
========
Upgrades
========
.. toctree::
:titlesonly:
upgrades/upgrade_scripts
upgrades/upgrade_utils