More Storybot updates (#1116)

* initial changes for gemini storybot

* storybot updates for gemini

* more storybot updates

* interim interruptible commit

* cleanup

* cleanup

* cleanup

* first draft

* wip

* more storybot fixes

* more storybot updates WIP

* committing before changing the image prompting strategy

* wip

* prompt updating

* cleanup

* cleanup

* cleanup

* readme cleanup

* fixup

examples/storytelling-chatbot/requirements.txt

@@ -2,4 +2,5 @@ async_timeout
 fastapi
 uvicorn
 python-dotenv
-pipecat-ai[daily,openai,fal,google,cartesia]
+-e "../..[daily,silero,openai,fal,cartesia,google]"
+-e "../../../python-genai"