Add LICENSE file (MIT)
This just adds an explicit LICENSE
file to match https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/libs/ohsome2x/blob/master/package.json#L30
This just adds an explicit LICENSE
file to match https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/libs/ohsome2x/blob/master/package.json#L30