Add Application class

CopiumEngine/src/copium/app/Application.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "copium/util/Common.h"
+
+namespace Copium
+{
+
+  class Application
+  {
+  public:
+    Application() = default;
+    virtual ~Application() = default;
+    void Run();
+    virtual bool Update() = 0;
+
+  private:
+    CP_DELETE_COPY_AND_MOVE_CTOR(Application);
+  };
+}