Use routing

Author: wallymathieu

demo-apps/MinimalApp/Program.fs

@@ -5,6 +5,10 @@ open Giraffe
 let builder = WebApplication.CreateBuilder()
 builder.Services.AddGiraffe() |> ignore
 let app = builder.Build()
+let webApp =
+    choose [
+        route "/ping"   >=> text "pong"
+        route "/"       >=> text "Hello World" ]
 
-app.UseGiraffe(text "Hello World!")
+app.UseGiraffe(webApp)
 app.Run()