App Deploy needs REACT_APP_S3_URL env var

[jtyoung84]

Describe the bug The schemas are being pulled from s3 instead of hardcoded. The s3 location is defined as and env var called REACT_APP_S3_URL. That needs to be conveyed before launching to gcp app engine.

To Reproduce Steps to reproduce the behavior:

1. Try launching the service without setting the env variable
2. See the 404 error in the console

Expected behavior The schemas need to be pulled from s3

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.