Added speakers.json
Added speakers.json

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