This commit corrects erroneous instructions in the documentation page for the installation of Odoo. Additionally, the following changes are made: - Add new instructions where the steps were not clear or complete enough. - Replace some installation flows for an easier onboarding. - Rework some parts of the page structure and display. - Add a "running odoo" section for Mac OS. - Fix display error in views.rst task-2072822 closes odoo/odoo#42900 X-original-commit: 82471da5d63f07796c6df1639aa30cc4894d5891 Signed-off-by: Antoine Vandevenne (anv) <AntoineVDV@users.noreply.github.com>