All developers, whether junior or experienced, can benefit from improving their commit message writing skills. Add a paragraph to the contribution documentation to explain this, with a link to a good guide. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>