docs/sp_SP: Add translation of process/1.Intro.rst

Translate Documentation/process/1.Intro.rst into Spanish

In order to avoid broken links in the translated document, empty files
have been created for documents which have not yet been translated.

Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240305221839.2764380-4-avadhut.naik@amd.com