chore: update-chatbot-sample to 1.0 (#1802)

* chore: update-chatbot-sample to 1.0

samples/chatbot/README.md → samples/js-chatbot/README.md

@@ -4,7 +4,6 @@ This is a simple chatbot. You can pick which model to use.
 
 Prerequisite
 
-- install Genkit (`npm i -g genkit`)
 - Google Cloud project with Vertex AI API enabled (https://pantheon.corp.google.com/apis/library/aiplatform.googleapis.com)
 - gcloud CLI installed (https://cloud.google.com/sdk/docs/install-sdk)
 - to use Llama 3.1 405b enable it in the Vertex AI [Model Garden](https://console.cloud.google.com/vertex-ai/publishers/meta/model-garden/llama3-405b-instruct-maas)
@@ -16,13 +15,6 @@ gcloud auth login
 gcloud auth application-default login --project YOUR_PROJECT
 ```
 
-Clone this code
-
-```
-git clone https://github.com/firebase/genkit
-cd genkit/samples/chatbot
-```
-
 Install deps and run the chatbot app
 
 ```bash