Add project

Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.

Hcs.Client/GostXades/XadesInfo.cs

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+using System;
+using System.Security.Cryptography.X509Certificates;
+
+namespace Hcs.GostXades
+{
+    public class XadesInfo
+    {
+        public byte[] RawCertData { get; }
+        public DateTime SigningDateTimeUtc { get; }
+        public int TimeZoneOffsetMinutes { get; }
+
+        public XadesInfo(X509Certificate certificate)
+        {
+            var offset = TimeZoneInfo.Local.GetUtcOffset(DateTime.Now);
+
+            RawCertData = certificate.GetRawCertData();
+            SigningDateTimeUtc = DateTime.UtcNow;
+            TimeZoneOffsetMinutes = Convert.ToInt32(offset.TotalMinutes);
+        }
+    }
+}