refactor: service folder structure

include/services/TaskService.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "services/Service.h"
+#include "TaskManager.h"
+#include <ArduinoJson.h>
+
+class TaskService : public Service {
+public:
+    TaskService(TaskManager& taskManager);
+    void registerEndpoints(ApiServer& api) override;
+    const char* getName() const override { return "Task"; }
+
+private:
+    TaskManager& taskManager;
+    
+    void handleStatusRequest(AsyncWebServerRequest* request);
+    void handleControlRequest(AsyncWebServerRequest* request);
+};