Adds default payment rail to account model and Target2 as a rail option. (#421)

Author: sipsorcery

src/NoFrixion.MoneyMoov/Enums/PaymentRailEnum.cs

@@ -29,8 +29,14 @@ public enum PaymentRailEnum
     SEPA_CT,
 
     /// <summary>
-    /// Single Euro Payments Area (SEPA) Instant scheme. Paymnets are processed 24/7 in
+    /// Single Euro Payments Area (SEPA) Instant scheme. Payments are processed 24/7 in
     /// seconds. Not yet supported by all EU institutions.
     /// </summary>
-    SEPA_INST
+    SEPA_INST,
+
+    /// <summary>
+    /// TARGET2 is the real-time gross settlement (RTGS) system for the Euro. Payments are processed 
+    /// in real-time and are used for high-value transfers within the EU.
+    /// </summary>
+    TARGET2
 }

src/NoFrixion.MoneyMoov/Enums/TransactionTypesEnum.cs

@@ -84,5 +84,8 @@ public enum TransactionTypesEnum
     /// The transaction type was not recognised.
     /// </summary>
     [Display(Name = "Unknown type")]
-    Unknown = 12
+    Unknown = 12,
+
+    [Display(Name = "TARGET2")]
+    TARGET2 = 13
 }

src/NoFrixion.MoneyMoov/Models/Account/PaymentAccount.cs

@@ -204,6 +204,13 @@ public string Summary
     [CanBeNull]
     public User CreatedBy { get; set; }
 
+    /// <summary>
+    /// Indicates the default payment rail for this account. Normally it will be left as the
+    /// default value but in some special cases it may be set to indicate payouts from this account
+    /// should be attempted with a specific payment rail.
+    /// </summary>
+    public PaymentRailEnum DefaultPaymentRail { get; set; }
+
     /// <summary>
     /// The list of rules associated with this account.
     /// </summary>