Adds BeneficiaryID property to the Payout model (#226)

* Use payout create beneficiary.

* wip: display payout beneficiary.

* Payout with beneificiary update now working.

src/NoFrixion.MoneyMoov/Models/PaymentRequests/PaymentRequestCreate.cs

@@ -327,7 +327,7 @@ public string? OriginUrl
     /// tag exists it will be created.
     /// </summary>
     public List<string>? Tags { get; set; }
-    
+
     public NoFrixionProblem Validate()
     {
         var context = new ValidationContext(this, serviceProvider: null, items: null);

src/NoFrixion.MoneyMoov/Models/Payouts/Payout.cs

@@ -275,6 +275,11 @@ public Counterparty? DestinationAccount
     /// </summary>
     public List<string>? AuthorisedBy { get; set; }
 
+    /// <summary>
+    /// If the payout destination is a beneficairy this will be the ID of it.
+    /// </summary>
+    public Guid? BeneficiaryID { get; set; }
+
     public NoFrixionProblem Validate()
     {
         var context = new ValidationContext(this, serviceProvider: null, items: null);

src/NoFrixion.MoneyMoov/Models/Payouts/PayoutCreate.cs

@@ -151,6 +151,11 @@ public Counterparty? DestinationAccount
     /// </summary>
     public int BitcoinFeeSatsPerVbyte { get; set; }
 
+    /// <summary>
+    /// Optional. The ID of the beneficiary to use for the payout destination.
+    /// </summary>
+    public Guid? BeneficiaryID { get; set; }
+
     /// <summary>
     /// Places all the payout's properties into a dictionary.
     /// </summary>
@@ -169,6 +174,7 @@ public Dictionary<string, string> ToDictionary()
             { nameof(TheirReference), TheirReference ?? string.Empty},
             { nameof(InvoiceID), InvoiceID ?? string.Empty },
             { nameof(AllowIncomplete), AllowIncomplete.ToString() },
+            { nameof(BeneficiaryID), BeneficiaryID?.ToString() ?? string.Empty }
         };
 
         if (Destination != null)

src/NoFrixion.MoneyMoov/Models/Payouts/PayoutUpdate.cs

@@ -126,7 +126,7 @@ public Counterparty? DestinationAccount
 
     /// <summary>
     /// For Bitcoin payouts, when this flag is set the network fee will be deducted from the send amount.
-    /// THis is particularly useful for sweeps where it can be difficult to calculate the exact fee required.
+    /// This is particularly useful for sweeps where it can be difficult to calculate the exact fee required.
     /// </summary>
     public bool? BitcoinSubtractFeeFromAmount { get; set; }
 
@@ -135,6 +135,11 @@ public Counterparty? DestinationAccount
     /// </summary>
     public int? BitcoinFeeSatsPerVbyte { get; set; }
 
+    /// <summary>
+    /// Optional. The ID of the beneficiary to use for the payout destination.
+    /// </summary>
+    public Guid? BeneficiaryID { get; set; }
+
     /// <summary>
     /// Places all the payout's properties into a dictionary.
     /// </summary>