Re-register check rules at root

Author: krishnan-chandra

src/python/pants/backend/experimental/python/lint/ruff/BUILD

@@ -0,0 +1,4 @@
+# Copyright 2024 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+python_sources()

src/python/pants/backend/experimental/python/lint/ruff/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2023 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+"""Linter & formatter for Python.
+
+See https://www.pantsbuild.org/docs/python-linters-and-formatters and https://docs.astral.sh/ruff/
+"""
+
+from pants.backend.experimental.python.lint.ruff.check import register as ruff_check_rules
+
+
+def rules():
+    return ruff_check_rules.rules()