As we plan to add more sub-element to states and networks, it may
be more clear to split them from instance management in docs
Change-Id: I341bddf1dac81309e2dced16afc64d181e9e9008
Now Mogan has his own V1 api-ref folder, but
the documents in here are not be organized
very well like other projects.
So this patch wants to improve it better.
Change-Id: Ia2cd8dd99b617c64550e50c96c49aa1e323862bd
Closes-Bug: #1653616