Add Python Developer Tooling Handbook to Resources > Websites

Author: tdhopper

README.md

@@ -1107,6 +1107,10 @@ Where to discover learning resources or new Python libraries.
 - [Talk Python To Me](https://talkpython.fm/)
 - [The Real Python Podcast](https://realpython.com/podcasts/rpp/)
 
+## Websites
+
+- [Python Developer Tooling Handbook](https://pydevtools.com/) - Comprehensive guide to modern Python developer tools covering package management, linting, type checking, testing, and more.
+
 # Contributing
 
 Your contributions are always welcome! Please take a look at the [contribution guidelines](https://github.com/vinta/awesome-python/blob/master/CONTRIBUTING.md) first.