Autodoc: support for dev doc and stable/release doc

Move the documentation publication stage before the release stage, the release job are blocking the doc generation. Most likely !158 (merged) is enough.
On the main branch, without tag, allow to trigger the doc job at every commit on main or dev path, for the job to not get rusted
On the main branch, with a tag, publish to the $version path

Edited Jul 13, 2021 by Moul

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