[tricium] Add a couple of example files in the playground repo

Reason: It might be useful to have example files in the repo
so that test changes can involve modifications to these example

TBR_REASON=playground repo, no risk

Change-Id: Ide1756bb3ed99986f6eafba3e3d51a94ae261647
2 files changed
tree: 29cc41e1008e5b88d7eb986dd4ad4579e5a68738
  1. codereview.settings
  2. example.md
  3. example.py