Added ITransferRestClient, updated Shared IBalanceRestClient to use SharedAccountType

CryptoExchange.Net/SharedApis/Enums/SharedAccountType.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.SharedApis
+{
+    /// <summary>
+    /// Account type
+    /// </summary>
+    public enum SharedAccountType
+    {
+        /// <summary>
+        /// Unified account, combined account for multiple different types of trading
+        /// </summary>
+        Unified,
+        
+        /// <summary>
+        /// Funding account, where withdrawals and deposits are made from and to
+        /// </summary>
+        Funding,
+
+        /// <summary>
+        /// Spot trading account
+        /// </summary>
+        Spot,
+
+        /// <summary>
+        /// Cross margin account
+        /// </summary>
+        CrossMargin,
+        /// <summary>
+        /// Isolated margin account
+        /// </summary>
+        IsolatedMargin,
+
+        /// <summary>
+        /// Perpetual linear futures account
+        /// </summary>
+        PerpetualLinearFutures,
+        /// <summary>
+        /// Delivery linear futures account
+        /// </summary>
+        DeliveryLinearFutures,
+        /// <summary>
+        /// Perpetual inverse futures account
+        /// </summary>
+        PerpetualInverseFutures,
+        /// <summary>
+        /// Delivery inverse futures account
+        /// </summary>
+        DeliveryInverseFutures,
+
+        /// <summary>
+        /// Option account
+        /// </summary>
+        Option,
+
+        /// <summary>
+        /// Other
+        /// </summary>
+        Other
+    }
+}