Added OTP support for token request

VidiView.Api.DataModel/DataModel/TokenRequest.cs

@@ -7,18 +7,23 @@ public class TokenRequest
     /// </summary>
     public TimeSpan? Lifetime { get; init; }
 
-    /// <summary>
-    /// Update the scope. 
-    /// Note! You cannot extend the scope beyond what is already granted in the current session
-    /// </summary>
-    public string? Scope { get; set; }
-
     /// <summary>
     /// If token is intended for another application, specify
     /// the application id here
     /// </summary>
     public Guid? AppId { get; set; }
 
+    /// <summary>
+    /// If set, the returned token will be of one-time-password type
+    /// </summary>
+    public bool OtpToken { get; set; } = false;
+
+    /// <summary>
+    /// Update the scope. 
+    /// Note! You cannot extend the scope beyond what is already granted in the current session
+    /// </summary>
+    public string? Scope { get; set; }
+
     /// <summary>
     /// If supplied, this will add a contribute restriction with access to the specified studies only
     /// </summary>