docs: function configureCname (config) {
    return new Promise((resolve, reject) => {
      const child = spawn(
        'syncano-cli',
        ['hosting', 'config', config, '--cname', `${config}.syncano.io`]
      )
  
      child.stdout.on('data', function (data) {
        process.stdout.write(data.toString())
        resolve(config)
      })
  
      child.stderr.on('data', function (data) {
        process.stdout.write(data.toString())
        reject(data.toString())
      })
    })
  }