Update docs to reference python-package (#27)

Issue #26

Co-authored-by: sabahmax-dev <330070908+sabahmax-dev@users.noreply.github.com>

Author: sabahmax-dev

docs/index.md

@@ -116,3 +116,7 @@ repos:
       - id: unexport
         args: [--refactor]
 ```
+
+## References
+
+- [python-package](https://github.com/hakancelikdev/python-package)