Add logging system

Logging/ILogger.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace RemSox.Logging
+{
+    public interface ILogger
+    {
+        void Log(string message, LogSeverity severity);
+
+        void LogInfo(string message);
+
+        void LogError(string message);
+
+        void LogWarning(string message);
+
+        IEnumerable<LogEntry> GetLogs(int? count = null);
+    }
+}