message: Update Chef policyfile extensions
  * Update Chef policyfile extensions
  We want to match on policyfile.rb not policyfile and we also want to
  match on the lock file.
  * Remove extra comma
diff: @@ -889,7 +889,13 @@ export const extensions: IFileCollection = {
  },
  {
  icon: 'chef',
  - extensions: ['chefignore', 'berksfile', 'berksfile.lock', 'policyfile'],
  + extensions: [
  + 'chefignore',
  + 'berksfile',
  + 'berksfile.lock',
  + 'policyfile.rb',
  + 'policyfile.lock.json',
  + ],
  filename: true,
  format: FileFormat.svg,
  },
  