Fix minor rst doc issues in the contributing/design.rst doc to correct
rendering of notes and code blocks.
Signed-off-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
Clarify target of guidelines by renaming the title and the directory.
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: John McNamara <john.mcnamara@intel.com>