[Kaggle outbrain example] Dockerized the outbrain Kaggle example

[pengyu-hou]

Summary

This PR updates the Kaggle example to run it with docker images. It saves the user efforts to setup their local machines.

Why / Goal

Simplify the Kaggle example for the public audience.

Test Plan

• [ ] Added Unit Tests
• [ ] Covered by existing CI
• [ ] Integration tested
• [x] tested with docker hub and manual testing covered in the doc update

Checklist

• [x] Documentation update

Reviewers

@airbnb/zipline-maintainers @nikhilsimha @ezvz @andriiuber