Update what_is_landlab.rst
Update what_is_landlab.rst
ManuSchmi88/landlab,csherwood-usgs/landlab,SiccarPoint/landlab,Carralex/landlab,cmshobe/landlab,SiccarPoint/landlab,laijingtao/landlab,decvalts/landlab,landlab/landlab,cmshobe/landlab,cmshobe/landlab,landlab/landlab,amandersillinois/landlab,Carralex/landlab,RondaStrauch/landlab,ManuSchmi88/landlab,ManuSchmi88/landlab,laijingtao/landlab,Carralex/landlab,amandersillinois/landlab,landlab/landlab,csherwood-usgs/landlab,RondaStrauch/landlab,RondaStrauch/landlab,decvalts/landlab