Correct Documentation display for bullet list
The new internal sphinx links auto-geenrated had some impacts
on the display for some pages.
This patch correct the RST files by adding some bullet lists
guides/onap-developer/apiref/index.rst
guides/onap-provider/index.rst
guides/onap-provider/vnfvalidator.rst
Provide better description for the links
Issue-ID: DOC-619
Signed-off-by: Eric Debeau <eric.debeau@orange.com>
Change-Id: I4944a294516b90fbdfa998a623104ac6a85f3fe3
(cherry picked from commit
329527e76aa37eb7b8bdecf0e20d555f637cb424)