Add another example pic

Author: alukach

README.md

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 This repository demonstrates using GitHub Actions to deploy into either a `staging` or `production` environment.
 
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 ## Setup
 
 Each deployment environment (i.e., `staging` or `production`) is managed as a [Github Environment](https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment). Within each Github Environment, we store environment variables and environment secrets to be used during the deployment process. This demonstration repository only uses a single environment variable (`MESSAGE`) and environment secret (`API_KEY`).