Adding a sample tstoy resource implementation in C#

[joshcorr]

PR Summary

Creates a sample tstoy resource implementation in C#. This sample was used during a Demo from the PowerShell & DevOps Summit 2024.

This PR also includes a tutorial explaining how the code is written and basic explication of all parts of the code. The tutorial was based upon the existing tutorial written for golang.

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[github-actions]

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