Add README file describing how to check this out.
Add README file describing how to check this out.

danvk/oldnyc,luster/oldnyc,luster/oldnyc,luster/oldnyc,danvk/oldnyc,nypl-spacetime/oldnyc,danvk/oldnyc,luster/oldnyc,danvk/oldnyc,nypl-spacetime/oldnyc,nypl-spacetime/oldnyc,luster/oldnyc,nypl-spacetime/oldnyc,nypl-spacetime/oldnyc