Add example for Macie ListFindings

[mikaylaedwards]

Description

Adding an example for Macie ListFindings. This example shows how to call the Macie ListFindings API with FindingCriteria to filter for Findings Ids that match the criteria.

Motivation and Context

This demonstrates how customers can specify FindingCriteria when calling Macie ListFindings API.

Testing

Tested the code sample using Powershell SDK.

Does not modify the code base.

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [ x] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

We require a second engineer to validate the PR before merging

• My code builds in Gamma and passes backward compatibility validation (required)
• My code follows the code style of this project
• [x ] My change requires a change to the documentation
• I have updated the documentation accordingly
• [x ] I have read the README document
• I have added tests to cover my changes
• All new and existing tests passed

New/existing dependencies impact assessment, if applicable

Note to reviewers: Please follow runbook to update the internal open source attribution tool

License

• [x ] I confirm that this pull request can be released under the Apache 2 license

[peterrsongg]

Ran the doc generator locally to ensure example is being generated correctly and reviewed the example. Approving