Update the JSON links

Author: rachitdhall

README.md

@@ -63,8 +63,11 @@ When finished setting up an identity pool, proceed to Option 1 or Option 2 below
 1. Go to the [Cloud Formation console](https://console.aws.amazon.com/cloudformation/), and then click **Create Stack**.
 2. Provide a stack name (e.g. myTestStack).
 3. Select "Specify an Amazon S3 template URL" and enter either of the following URL as a template based on the choice of the region, and then click **Next**.
+
 		US EAST (N. Virginia) : https://s3.amazonaws.com/amazon-cognito-samples-us-east-1/AWSCognitoDeveloperAuthenticationSampleCFN.json
+		
 		EU (Ireland) : https://s3.amazonaws.com/amazon-cognito-samples-eu-west-1/AWSCognitoDeveloperAuthenticationSampleCFN.json
+		
 4. Enter the DeveloperProviderName and IdentityPoolId associated with the identity pool you want to use, and then click **Next**.
 5. On the **Options** page, click **Next**.
 6. On the **Review** page, review the details and select the checkbox acknowledging that your template has capabilities to create AWS IAM resources. When finished, click **Create**. It may take several minutes for the stack to finish creating resources.