add repository field to package.json

1 job for master in 7 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Pages
failed #283
docker
pages

00:00:07

 
Name Stage Failure
failed
pages Pages There is an unknown failure, please try again
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR!
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.parse

npm ERR! Please include the following file with any support request:
npm ERR! /builds/JadeProListening/html-custom-elements/npm-debug.log
ERROR: Build failed: exit code 1