add todo setup

include/services/todo.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "components/todoEntry.hpp"
+#include <string>
+#include <vector>
+
+class TodoService {
+  public:
+    TodoService(sigc::signal<void()> refreshSignal);
+    ~TodoService();
+
+    std::map<int, TodoEntry *> getTodos();
+    void init();
+    void removeTodo(int id);
+    TodoEntry *addTodo(std::string text, bool emitSignal = true);
+    void updateTodo(int id, std::string text);
+
+  private:
+    int nextId = 1;
+    std::map<int, TodoEntry *> todos;
+    sigc::signal<void()> refreshSignal;
+};