Fix typo 'lighting' --> 'lightning'; update labler (#823)

python/packages/lab/lightning/tests/__init__.py

@@ -0,0 +1 @@
+# Copyright (c) Microsoft. All rights reserved.

python/packages/lab/lightning/tests/test_lightning.py

@@ -0,0 +1,15 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+"""Tests for lightning module."""
+
+import pytest
+from agent_framework_lab_lightning import __version__
+
+
+class TestLightning:
+    """Test the lightning module."""
+    
+    def test_version(self):
+        """Test package version is defined."""
+        assert __version__ is not None
+        assert __version__ == "0.1.0b1"