Update README.md sequence (#397)

Fixes #398

Author: code-soubhik

README.md

@@ -34,7 +34,7 @@ for complete code.
 npm install @google/generative-ai
 ```
 
-1.  Initialize the model
+2.  Initialize the model
 
 ```js
 import { GoogleGenerativeAI } from "@google/generative-ai";
@@ -44,7 +44,7 @@ const genAI = new GoogleGenerativeAI(process.env.API_KEY);
 const model = genAI.getGenerativeModel({ model: "gemini-1.5-flash" });
 ```
 
-1.  Run a prompt
+3.  Run a prompt
 
 ```js
 const prompt = "Does this look store-bought or homemade?";
@@ -95,4 +95,4 @@ to the Google AI JavaScript SDK.
 ## License
 
 The contents of this repository are licensed under the
-[Apache License, version 2.0](http://www.apache.org/licenses/LICENSE-2.0).
+[Apache License, version 2.0](http://www.apache.org/licenses/LICENSE-2.0).