Added GetFeesAsync Shared REST client support, Added TimePeriodFilterSupport and MaxLimit properties to PaginatedEndpointOptions

CryptoExchange.Net/SharedApis/Models/Rest/GetFeeRequest.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.SharedApis
+{
+    /// <summary>
+    /// Request to retrieve trading fees
+    /// </summary>
+    public record GetFeeRequest : SharedSymbolRequest
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="symbol">Symbol to retrieve fees for</param>
+        /// <param name="exchangeParameters">Exchange specific parameters</param>
+        public GetFeeRequest(SharedSymbol symbol, ExchangeParameters? exchangeParameters = null) : base(symbol, exchangeParameters)
+        {
+        }
+    }
+}