DOC: Add links to documentation in README
DOC: Add links to documentation in README

geopandas/geopandas,jorisvandenbossche/geopandas,ozak/geopandas,jdmcbr/geopandas,micahcochran/geopandas,jorisvandenbossche/geopandas,ozak/geopandas,micahcochran/geopandas,geopandas/geopandas,jorisvandenbossche/geopandas,jdmcbr/geopandas,geopandas/geopandas