Add GEOS data NWP option.

Adds NWP option 10 so that GEOS data can be used to replace GFS data. Not sure how to add the options to the clavrx_options example file.

E2 NWP Nwp Model Option (0=off, 1=gfs,2=ncep reanalysis,3=cfsr,4= gdas, 5=merra,6=era,7=gfs ait,8=gfs fv3, 9=ERA5, 10=GEOS)