Trailing slash middleware for the Infrastructure package (#53)

Packages/Infrastructure/README.md

@@ -5,7 +5,7 @@ The shared [Hummingbird](https://github.com/hummingbird-project/hummingbird) too
 | Role | Types |
 | --- | --- |
 | Routing | `RouterController`, `RouteCollectionBuilder`, the `addController` extension on `RouterMethods` |
-| Middlewares | `SecurityHeadersMiddleware`, `HTTPSRedirectMiddleware`, `VaryMiddleware`, `RateLimitMiddleware`, `LocalizationMiddleware`, `NotFoundMiddleware` |
+| Middlewares | `SecurityHeadersMiddleware`, `HTTPSRedirectMiddleware`, `TrailingSlashRedirectMiddleware`, `VaryMiddleware`, `RateLimitMiddleware`, `LocalizationMiddleware`, `NotFoundMiddleware` |
 | Pages and assets | `Page`, `Asset`, `AssetExtension`, `FingerprintAssets` |
 | Link previews | `SocialCard`, its `Image`, and the `Tag` meta tags it derives |
 | Structured data | `StructuredData`, the `Node`, `Property`, and `Value` types of its schema.org graph, and the open `Name` and `Kind` vocabularies |
@@ -30,7 +30,7 @@ Sources/
 │   ├── Enumerations/      AssetExtension
 │   ├── Extensions/        addController, plus the default header names and values
 │   ├── Methods/           FingerprintAssets
-│   ├── Middlewares/       the six HTTP middlewares
+│   ├── Middlewares/       the seven HTTP middlewares
 │   ├── Protocols/         Asset, LocalizedRequestContext, Page, RouterController
 │   ├── Responses/         CachedHTMLResponse, LocalizedHTMLCollectionResponse
 │   └── Types/             Analytics, SocialCard, StructuredData (the latter two nesting their own types in SocialCard/ and StructuredData/)