Add evals to SQL agent tutorial (#669)

docs/_scripts/copy_notebooks.py

@@ -34,6 +34,7 @@ _MANUAL = {
         "introduction.ipynb",
         "customer-support/customer-support.ipynb",
         "tutorials/tnt-llm/tnt-llm.ipynb",
+        "tutorials/sql-agent.ipynb"
     ],
 }
 _MANUAL_INVERSE = {v: docs_dir / k for k, vs in _MANUAL.items() for v in vs}