Update READMEs again

README.md

@@ -28,6 +28,7 @@ Examples converted to Hummingbird 2.0
 - [multipart-form](https://github.com/hummingbird-project/hummingbird-examples/tree/main/multipart-form) - HTML form using Multipart form data, using MultipartKit
 - [proxy-server](https://github.com/hummingbird-project/hummingbird-examples/tree/main/proxy-server) - Using AsyncHTTPClient to build a proxy server
 - [response-body-processing](https://github.com/hummingbird-project/hummingbird-examples/tree/main/proxy-server) - Example showing how to process a response body in middleware.
+- [s3-file-provider](https://github.com/hummingbird-project/hummingbird-examples/tree/main/s3-file-provider) - Use a custom FileProvider to serve files from S3 with FileMiddleware.
 - [sessions](https://github.com/hummingbird-project/hummingbird-examples/tree/main/sessions) - Username/password and session authentication.
 - [todos-dynamodb](https://github.com/hummingbird-project/hummingbird-examples/tree/main/todos-dynamodb) - Todos application, based off [TodoBackend](http://todobackend.com) spec, using DynamoDB.
 - [todos-fluent](https://github.com/hummingbird-project/hummingbird-examples/tree/1.x.x/todos-fluent) - Todos application, based off [TodoBackend](http://todobackend.com) spec, using Fluent

s3-file-provider/README.md

@@ -9,4 +9,8 @@ The example needs two environment variables:
 - `s3_file_bucket`: The name of the bucket to serve files from
 
 There is an optional environment variable:
-- `s3_file_path`: Prefix to add when generating S3 file path.
+- `s3_file_path`: Prefix to add when generating S3 file path.
+
+When you run the app, as long as your AWS credentials allow it, you can go to a web browser and view the contents of your S3 bucket. 
+
+NB The S3 file provider does not recognise folders, so you will not get the automatic re-directing to `index.html` in folders.