Changes for 2.0.0-alpha.1 release (#13)

* Use HB 2.0.0-alpha.1

* Update README

Author: adam-fowler

Package.swift

@@ -13,7 +13,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-openapi-runtime.git", from: "1.0.0"),
-        .package(url: "https://github.com/hummingbird-project/hummingbird.git", branch: "2.x.x"),
+        .package(url: "https://github.com/hummingbird-project/hummingbird.git", from: "2.0.0-alpha.1"),
     ],
     targets: [
         .target(

README.md

@@ -3,23 +3,20 @@
 Hummingbird transport for [OpenAPI generator](https://github.com/apple/swift-openapi-generator).
 
 ```swift
-// Create your Hummingbird application.
-let app = HBApplication()
-
-// Create a Hummingbird OpenAPI Transport using your application.
-let transport = HBOpenAPITransport(app)
+// Create your router.
+let router = HBRouter()
 
 // Create an instance of your handler type that conforms the generated protocol
 // defining your service API.
-let handler = MyServiceAPIImpl()
+let api = MyServiceAPIImpl()
 
 // Call the generated function on your implementation to add its request
 // handlers to the app.
-try handler.registerHandlers(on: transport, serverURL: Servers.server1())
+try api.registerHandlers(on: router)
 
-// Start the app as you would normally.
-try app.start()
-app.wait()
+// Create the application and run as you would normally.
+let app = HBApplication(router: router)
+try await app.runService()
 ```
 
 ## Documentation