fix: satisfy openenv validation requiring an inference.py at repository root

inference.py

@@ -0,0 +1,9 @@
+"""
+OpenEnv entry point wrapper for automatic evaluation platforms.
+This file fulfills the requirement for an `inference.py` at the repo root.
+"""
+
+from baseline.run_baseline import main
+
+if __name__ == "__main__":
+    main()