first add

MANIFEST.in

@@ -0,0 +1,20 @@
+# Include documentation
+include README.md
+include LICENSE
+include pyproject.toml
+
+# Include all markdown files in docs/
+recursive-include docs *.md
+recursive-include docs *.rst
+
+# Include notebooks for examples
+recursive-include notebooks *.ipynb
+
+# Exclude unnecessary files
+global-exclude __pycache__
+global-exclude *.py[co]
+global-exclude .DS_Store
+global-exclude *.so
+global-exclude .git*
+exclude pixi.lock
+