chore: Advanced Example (Custom Workflow using ImpReader class)

[KochC]

Summary

Adding advanced example to demonstrate the usage of the ImpReader class in a custom workflow

Checklist

• You agree with our CLA
• Included tests (or is not applicable).
• Updated documentation (or is not applicable).

[CLAassistant]

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2 out of 3 committers have signed the CLA.

✅ JoshuaWellbrock
✅ KochC
❌ GitHub Actions

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