Add project files.

ModVersionChecker/managers/interfaces/IConfigManager.cs

@@ -0,0 +1,16 @@
+using ModVersionChecker.data.model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ModVersionChecker.managers.interfaces
+{
+    public interface IConfigManager
+    {
+        GlobalConfig Load();
+        void Save(GlobalConfig config);
+        GlobalConfig GetConfig();
+    }
+}