feat: began working on cleaning up explorative main file

MainLoop.hpp

@@ -0,0 +1,17 @@
+#pragma once
+#include "UartHandler.hpp"
+
+// Singleton-instance
+class MainLoop
+{ 
+    public:
+        MainLoop(const MainLoop&) = delete;
+        MainLoop(MainLoop&&) = delete;
+        static MainLoop& getInstance() noexcept;
+        void setup() noexcept;
+        void update() noexcept;
+
+    private:
+        MainLoop() noexcept;
+        ~MainLoop() noexcept;
+};