Chime Setup on Cloud 9

Hello everyone!

I am currently trying to deploy this app on cloud 9 - I have managed to create the stack as well as deploy it successfully and have been getting the URL of the deployed app on cloud formation stack - However its throwing the error as follows ;

`{"message":"Missing Authentication Token"}`

Can someone guide me on this as I've been stuck on this for quite a few days and would really love to have this working on my cloud9 server - The deployment guide isn't as good as I thought it would be.

Start with the deployment guide and the CloudFormation stack setup described in the issue, then reproduce the deployed URL request in Cloud9 and capture where the “Missing Authentication Token” response occurs. Done should include a documented deployment path that works in Cloud9 or a specific, reproducible configuration defect with its required correction.

Written by the indexing model from the issue text.