(docs) Add executable examples

[jahvon]

Summary

Replace testdata examples with a more expansive example suite that can also be used for future e2e tests.

Change Type

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 3.94%. Comparing base (a8672bb) to head (2886234).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #100 +/- ## ===================================== Coverage 3.94% 3.94% ===================================== Files 64 64 Lines 3851 3851 ===================================== Hits 152 152 Misses 3683 3683 Partials 16 16 ```

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