Add license to package.json
Add license to package.json

Adding license to package.json will remove the npm warning when installing
It also allows users to filter out packages they can't use in their organization
crudo/react-infinite-list,zdenekkostal/react-infinite-list,jankopriva/react-infinite-list,jankopriva/react-infinite-list,zdenekkostal/react-infinite-list,crudo/react-infinite-list