DOC: add pypi badge (#2412)
DOC: add pypi badge (#2412)

* DOC: add pypi badge

* DOC: move geopandas header below badges
jorisvandenbossche/geopandas,geopandas/geopandas,geopandas/geopandas,jorisvandenbossche/geopandas,geopandas/geopandas,jorisvandenbossche/geopandas