✅ Add test to check skills existence

Author: tiangolo

tests/test_package_data.py

@@ -0,0 +1,9 @@
+from importlib import resources
+
+
+def test_sqlmodel_skill_file_is_packaged() -> None:
+    skill_file = (
+        resources.files("sqlmodel") / ".agents" / "skills" / "sqlmodel" / "SKILL.md"
+    )
+
+    assert skill_file.is_file()