Adding regions and availability example
Adding regions and availability example

imshashank/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,imshashank/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples,awsdocs/aws-doc-sdk-examples