added example workflow

src/template_code_location/jobs/jobs.py

@@ -1,5 +1,12 @@
 from dagster import job
-from ..ops.ops import fetch_data, process_data
+from util_services.util_ops import preview_dataframe
+
+from ..ops.ops import (
+    fetch_data,
+    generate_example_dataset,
+    process_data,
+    transform_example_dataset,
+)
 
 
 @job
@@ -7,3 +14,12 @@ def data_processing_job():
     """A simple job that fetches and processes data."""
     raw = fetch_data()
     process_data(raw)
+
+
+@job
+def example_dataframe_demo_job():
+    """Demonstrates generating and transforming a pandas DataFrame with previews."""
+    original_df = generate_example_dataset()
+    preview_dataframe(original_df)
+    transformed_df = transform_example_dataset(original_df)
+    preview_dataframe(transformed_df)