code: function cloneRepo() {
    return new Promise((resolve, reject) => {
      git.clone(`https://${GH_TOKEN}@github.com/dbtek/bootswatch-dist.git`, '.tmp/repo', (err, result) => {
        if (err) {
          return reject(err)
        }
        resolve(result)
      })
    })
  }
docs: Clones release repository
  @return {Promise}