message: clarify S3 docs
diff: @@ -26,7 +26,13 @@ exports.S3_LOCAL = true;
  2. Set the value of `BUCKET_NAME` in `aws-config.js` to `local-bucket` if it is not already set.
  -3. With the app running, from the typescript_app directory, start the S3 emulation:
  +3. The api will start automatically at the end of `start.sh`, but alternatively, start the API from the docker-compose-setup directory:
  +
  +```bash
  +sh ./scripts/startApi.sh
  +```
  +
  +4. From the typescript_app directory, start the S3 emulation:
  ```bash
  sh startLocalS3.sh
  