Updating the index.rst file to include referred content.

Updating the index.rst file to include referred content.
Adding new committers in the INFO file.

This patch includes updates to the index files to establish the correct structure for the
composite docs in Brahmaputra.  The patch also includes an updated INFO file adding
Ryota Mibu and Sofia Wallin as committers to the project.

add the include references.

Change-Id: Ife98bd25ac3c80d2737132867449ee11f45a581e
Signed-off-by: ChristopherPrice <christopher.price@ericsson.com>