Time slice cross validation MMM Notebook

docs/source/api/index.md

@@ -13,5 +13,6 @@
   model_config
   model_builder
   prior
+  metrics
   mlflow
 ```

docs/source/notebooks/index.md

@@ -13,6 +13,7 @@ mmm/mmm_tvp_example
 mmm/mmm_time_varying_media_example
 mmm/mmm_components
 mmm/mmm_roas
+mmm/mmm_time_slice_cross_validation
 :::
 
 :::{toctree}