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/README.md

@@ -7,7 +7,7 @@
 This example shows how to build a voice-driven interactive storytelling experience.
 It periodically prompts the user for input for a 'choose your own adventure' style experience.
 
-We add visual elements to the story by generating images at lightning speed using Fal.
+We use Gemini 2.0 for creating the story and image prompts, and we add visual elements to the story by generating images using Google's Imagen.
 
 
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@@ -18,7 +18,7 @@ We add visual elements to the story by generating images at lightning speed usin
 
 Transcribes inbound participant voice media to text.
 
-**OpenAI (GPT4) - LLM**
+**Google Gemini 2.0 - LLM**
 
 Our creative writer LLM. You can see the context used to prompt it [here](src/prompts.py)
 
@@ -26,9 +26,9 @@ Our creative writer LLM. You can see the context used to prompt it [here](src/pr
 
 Converts and streams the LLM response from text to audio
 
-**Fal.ai - Image Generation**
+**Google Imagen - Image Generation**
 
-Adds pictures to our story (really fast!) Prompting is quite key for style consistency, so we task the LLM to turn each story page into a short image prompt.
+Adds pictures to our story. Prompting is quite key for style consistency, so we task the LLM to turn each story page into a short image prompt.
 
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