Update README.md

Author: ratulb

src/README.md

@@ -88,3 +88,5 @@ This project is perfect for:
 ## 🤝 Contributing
 Contributions are welcome! Feel free to open issues, suggest improvements, or submit pull requests.
 
+> **Note:** The source code of the repository can be found [here](https://github.com/ratulb/programming_problems_and_datastructures_in_rust) 
+