Add pyproject.toml.

arjpur01 · arjpur01 · commit ee5eb7563086 · 2025-06-27T11:02:10.000+01:00
address #702 Fix the pip warning explained here: pypa/pip#11457 By following this procedure: pypa/pip#11457 (comment)
diff --git a/pyproject.toml b/pyproject.toml
@@ -0,0 +1,5 @@
+[build-system]
+requires = [
+    "setuptools>=80.9.0",
+]
+build-backend = "setuptools.build_meta"
