Edit copy to link to other workshops
Edit copy to link to other workshops

At the end of the web application workshop, link back to the main
README to encourage participants with extra time to explore other
availabile workshops.

awslabs/aws-serverless-workshops,awslabs/aws-serverless-workshops,awslabs/aws-serverless-workshops,awslabs/aws-serverless-workshops,awslabs/aws-serverless-workshops