Update docs for sample v2.0.0

samples/asgardeo-react-app/README.md

@@ -4,9 +4,13 @@ This sample is developed to demonstrate the basic usage of the Asgardeo Auth Rea
 
 ## Getting Started
 
+### Prerequisites
+-   `Node.js` (version 10 or above).
+-   `yarn` package manager.
+
 ### Register an Application
 
-Follow the instructions in the [Try Out the Sample Apps](../../README.md#try-out-the-sample-apps) section to register an application.
+Follow the instructions in the [Try Out the Sample Apps](../../SAMPLE_APPS.md#try-out-the-sample-apps) section to register an application.
 
 Make sure to add `https://localhost:3000` as a Redirect URL and also add it under allowed origins. 
 
@@ -27,14 +31,15 @@ Read more about the SDK configurations [here](../../README.md#authprovider).
     "clientID": "<ADD_CLIENT_ID_HERE>",
     "baseUrl": "https://api.asgardeo.io/t/<org_name>",
     "signInRedirectURL": "https://localhost:3000",
-    "signOutRedirectURL": "https://localhost:3000"
+    "signOutRedirectURL": "https://localhost:3000",
+    "scope": ["profile"]
 }
 ```
 
 ### Run the Application
 
 ```bash
-npm install && npm start
+yarn install && npm start
 ```
 The app should open at [`https://localhost:3000`](https://localhost:3000)