Added package.json.
Added package.json.

tmarrs/json-at-work,tmarrs/json-at-work-examples,tmarrs/json-at-work,tmarrs/json-at-work,tmarrs/json-at-work-examples,tmarrs/json-at-work-examples,tmarrs/json-at-work,tmarrs/json-at-work-examples,tmarrs/json-at-work-examples