Update README.md

Author: Justintime50

README.md

@@ -44,3 +44,7 @@ Click the `Use this template` button at the top of this project's GitHub page, i
 **GitHub configuration**
 
 1. Add a `PYPI_API_TOKEN` GitHub secret to your project so that automated releasing can occur from GitHub Actions to PyPI and uncomment the final step on the `release` job in `.github/workflows/release.yml`
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+## Attribution
+
+* Watch [the video](https://youtu.be/ZMfcl3CnRhA) where I built this template.