[Sample] Add geoarrow sample for kepler 3.0 - #6

[Sample] Add geoarrow sample for kepler 3.0#6

lixun910 wants to merge 2 commits into

uber-web:masteruber-web/kepler.gl-data:masterfrom

GeoDaCenter:xli/add-geoarrow-sampleGeoDaCenter/kepler.gl-data:xli/add-geoarrow-sampleCopy head branch name to clipboard