message: Add doc on custom endpoint and path-style access
  These features were added in
diff: @@ -20,8 +20,7 @@ To use this integration, add configuration to your `app-config.yaml`:
  ```yaml
  integrations:
  awsS3:
  - - host: amazonaws.com
  - accessKeyId: ${AWS_ACCESS_KEY_ID}
  + - accessKeyId: ${AWS_ACCESS_KEY_ID}
  secretAccessKey: ${AWS_SECRET_ACCESS_KEY}
  ```
  @@ -35,8 +34,20 @@ instruct the AWS S3 reader to assume a role before accessing S3:
  ```yaml
  integrations:
  awsS3:
  - - host: amazonaws.com
  - accessKeyId: ${AWS_ACCESS_KEY_ID}
  + - accessKeyId: ${AWS_ACCESS_KEY_ID}
  secretAccessKey: ${AWS_SECRET_ACCESS_KEY}
  roleArn: 'arn:aws:iam::xxxxxxxxxxxx:role/example-role'
  ```
  +
  +Configuration allows specifying custom S3 endpoint, along with
  +[path-style access](https://docs.aws.amazon.com/AmazonS3/latest/userguide/VirtualHosting.html)
  +to support integration with providers like [LocalStack](https://github.com/localstack/localstack):
  +
  +```yaml
  +integrations:
  + awsS3:
  + - endpoint: 'http://localhost:4566'
  + s3ForcePathStyle: true
  + accessKeyId: ${AWS_ACCESS_KEY_ID}
  + secretAccessKey: ${AWS_SECRET_ACCESS_KEY}
  +```
  