style: 🎨 forgot to add filename to the chunk

sessions/visualization.qmd

@@ -663,6 +663,7 @@ line to the plot to see if there is a general trend between BMI and
 glucose by using `geom_smooth()`.
 
 ```{r 2-continuous-variables-smooth}
+#| filename: "docs/learning.qmd"
 ggplot(post_meal_data, aes(x = BMI, y = auc_pg)) +
   geom_point() +
   geom_smooth()