feature(#20): this commit updates the API convention to include a sample response when creating a client

Author: https-richardy

Applications/Backend/Source/HttpsRichardy.Federation.WebApi/Conventions/ClientsConventions.cs

@@ -9,7 +9,7 @@ public static class ClientsConventions
     public static void GetClientsAsync(ClientsFetchParameters request, CancellationToken cancellation) { }
 
     [ApiConventionNameMatch(ApiConventionNameMatchBehavior.Prefix)]
-    [ProducesResponseType(StatusCodes.Status201Created)]
+    [ProducesResponseType(typeof(ClientScheme), StatusCodes.Status201Created)]
     [ProducesResponseType(typeof(Error), StatusCodes.Status409Conflict)]
     public static void CreateClientAsync(ClientCreationScheme request, CancellationToken cancellation) { }