Update user docs for Windows install of GeoGig.
Update user docs for Windows install of GeoGig.

Signed-off-by: Johnathan Garrett <ff9dedefe9ee78b3339d23163d8b29a3c83c6016@prominentedge.com>

jodygarnett/GeoGig,mtCarto/geogig,jdgarrett/geogig,mtCarto/geogig,jodygarnett/GeoGig,jodygarnett/GeoGig,mtCarto/geogig,jdgarrett/geogig,jdgarrett/geogig