message: docs(cli-guide): Bind fetch to window
diff: @@ -57,7 +57,7 @@ And like this with a REST client:
  import rest from '@feathersjs/rest-client'
  import { createClient } from 'my-app'
  -const connection = rest('https://myapp.com').fetch(fetch)
  +const connection = rest('https://myapp.com').fetch(window.fetch.bind(window))
  const client = createClient(connection)
  ```
  