examples: Kubeflow

[ssheng]

What does this PR address?

Create a Kubeflow example using the fraud detection dataset and model.

Before submitting:

• Does the Pull Request follow Conventional Commits specification naming? Here are GitHub's
  guide on how to create a pull request.
• Does the code follow BentoML's code style, both make format and make lint script have passed (instructions)?
• Did you read through contribution guidelines and follow development guidelines?
• Did your changes require updates to the documentation? Have you updated
  those accordingly? Here are documentation guidelines and tips on writting docs.
• Did you write tests to cover your changes?

[codecov]

Codecov Report

Merging #3656 (7ee48f8) into main (50e707b) will decrease coverage by 0.68%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3656      +/-   ##
==========================================
- Coverage   32.31%   31.63%   -0.68%     
==========================================
  Files         146      149       +3     
  Lines       11927    12191     +264     
  Branches     1978     2008      +30     
==========================================
+ Hits         3854     3857       +3     
- Misses       7799     8050     +251     
- Partials      274      284      +10     

see 24 files with indirect coverage changes