Added authenticatorDisplayName to ClientPropertiesOutput (#526)

* Added  missing property to CredentialPropertiesOutput

* added url to definition

---------

Co-authored-by: Anders Åberg <[email protected]>

Author: aritma-fredrikef

Src/Fido2.Models/Objects/CredentialPropertiesOutput.cs

@@ -13,4 +13,12 @@ public class CredentialPropertiesOutput
     /// </summary>
     [JsonPropertyName("rk")]
     public bool Rk { get; set; }
+
+
+    /// <summary>
+    /// This OPTIONAL property is a human-palatable description of the credential’s managing authenticator, chosen by the user.
+    /// https://w3c.github.io/webauthn/#dom-credentialpropertiesoutput-authenticatordisplayname
+    /// </summary>
+    [JsonPropertyName("authenticatorDisplayName")]
+    public string? AuthenticatorDisplayName { get; set; }
 }