Refactored MtApi4 (MT4) for working with new architecture

MtApi/MtProtocol/FuncResult.cs

@@ -0,0 +1,8 @@
+namespace MtApi.MtProtocol
+{
+    internal class FuncResult<T>
+    {
+        public bool RetVal { get; set; }
+        public T? Result { get; set; }
+    }
+}

MtApi/MtProtocol/ICustomRequest.cs

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+namespace MtApi.MtProtocol
+{
+    namespace ICustomRequest
+    {
+        public enum ParametersType
+        {
+            Int = 0,
+            Double = 1,
+            String = 2,
+            Boolean = 3
+        }
+    }
+}

MtApi/MtProtocol/MqlTick.cs

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+namespace MtApi.MtProtocol
+{
+    public class MtTick
+    {
+        public double Bid { get; set; }           // Current Bid price
+        public double Ask { get; set; }           // Current Ask price
+        public long Time { get; set; }            // Time of the last prices update
+        public double Last { get; set; }          // Price of the last deal (Last)
+        public ulong Volume { get; set; }         // Volume for the current Last price
+        public double VolumeReal { get; set; }    // Volume for the current Last price with greater accuracy
+    }
+}

MtApi/MtProtocol/MtRpcQuote.cs

@@ -0,0 +1,9 @@
+namespace MtApi.MtProtocol
+{
+    internal class MtRpcQuote
+    {
+        public MtTick? Tick { get; set; }
+        public string? Instrument { get; set; }
+        public int ExpertHandle { get; set; }
+    }
+}

MtApi/MtProtocol/Response.cs

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+namespace MtApi.MtProtocol
+{
+    internal class Response<T>
+    {
+        public int ErrorCode { get; set; }
+        public string? ErrorMessage { get; set; }
+
+        public T? Value { get; set; }
+    }
+}