Uncomment from example and add duckdb file to gitignore

.gitignore

@@ -164,3 +164,5 @@ secrets.toml
 
 .ipynb_checkpoints
 *.ipynb
+
+*.duckdb

src/dbt_yfdash/models/example/my_first_dbt_model.sql

@@ -24,4 +24,4 @@ from source_data
     Uncomment the line below to remove records with null `id` values
 */
 
--- where id is not null
+where id is not null