Add keyword to _get_chart_code

vizro-ai/docs/pages/user_guides/run_vizro_ai.md

@@ -67,11 +67,15 @@ Vizro-AI's `_get_chart_code` method returns the Python code string that can be u
         ```py
         import vizro.plotly.express as px
         from vizro_ai import VizroAI
-
+        
         vizro_ai = VizroAI()
-
+        
         df = px.data.gapminder()
-        code_string = vizro_ai._get_chart_code(df, "describe life expectancy per continent over time", explain=True)
+        output = vizro_ai._get_chart_code(df, "describe life expectancy per continent over time", explain=True)
+
+        code_string = output.get("code_string")
+        code_explanation = output.get("code_explanation")
+        business_insights = output.get("business_insights")
         ```
     === "code_string"
         [![ResultCode]][ResultCode]

vizro-ai/src/vizro_ai/_vizro_ai.py

@@ -91,17 +91,18 @@ def _run_plot_tasks(
             "code_string": code_string,
         }
 
-    def _get_chart_code(self, df: pd.DataFrame, user_input: str) -> str:
+    def _get_chart_code(self, df: pd.DataFrame, user_input: str, explain: bool = False) -> str:
         """Get Chart code of vizro via english descriptions, English to chart translation.
 
         Can be used in integration with other application if only code snippet return is required.
 
         Args:
             df: The dataframe to be analyzed
             user_input: User questions or descriptions of the desired visual
+            explain: Flag to include explanation in response
         """
         # TODO refine and update error handling
-        return self._run_plot_tasks(df, user_input, explain=False).get("code_string")
+        return self._run_plot_tasks(df, user_input, explain=explain)
 
     def plot(self, df: pd.DataFrame, user_input: str, explain: bool = False) -> Union[None, Dict[str, Any]]:
         """Plot visuals using vizro via english descriptions, english to chart translation.