Move core to external libs, Starting terminal crossplatform client

OpenSaveCloudCore/Models/Log.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenSaveCloudCore.Models
+{
+    public enum LogSeverity
+    {
+        Error,
+        Warning,
+        Information
+    }
+
+    public class Log
+    {
+        public DateTime Timestamp { get; set; }
+        public string Message { get; set; }
+        public LogSeverity Severity { get; set; }
+    }
+}