feat: Add CloudModel import and specify GOOGLE_GEMINI model

Author: Matteo-it

examples/bedtime-story-teller/python/main.py

@@ -3,13 +3,14 @@
 # SPDX-License-Identifier: MPL-2.0
 
 import os
-from arduino.app_bricks.cloud_llm import CloudLLM
+from arduino.app_bricks.cloud_llm import CloudLLM, CloudModel
 from arduino.app_bricks.web_ui import WebUI
 from arduino.app_utils import App
 
 
 llm = CloudLLM(
     api_key=os.getenv("API_KEY"), # Make sure to set your API key in the environment variable
+    model=CloudModel.GOOGLE_GEMINI,
     system_prompt="You are a bedtime story teller. Tell short, funny and relaxing stories that are suitable for children. Use a simple language and avoid long sentences.",
 )
 llm.with_memory()