Module documentation

[hemskgren]

The modules missing standard ansible documentation.

$ ansible-doc nsx_logical_switch
ERROR! module nsx_logical_switch missing documentation (or could not parse documentation): Parsing produced an empty object.

$ ansible-doc nsx_edge_router
ERROR! module nsx_edge_router missing documentation (or could not parse documentation): Parsing produced an empty object.

$ ansible-doc nsx_dlr
ERROR! module nsx_dlr missing documentation (or could not parse documentation): Parsing produced an empty object.