add doxygen

dialog_add_user.h

@@ -12,6 +12,12 @@
 class dialog_add_user : public Gtk::Dialog
 {
 public:
+  /**
+   * @brief dialog_add_user
+   * Dialog to add users
+   * @param win Window to stop
+   * @param sesion Model to implement te funcionality
+   */
   dialog_add_user(Gtk::Window *win, session_manager *sesion);
 private:
   session_manager *sesion;
@@ -29,8 +35,15 @@ private:
   Gtk::CheckButton c_admin;
 
   Gtk::Button b_add;
-
+  /**
+   * @brief on_button_clicked
+   * Button function
+   */
   void on_button_clicked();
+  /**
+   * @brief add_elements
+   * Add controlers to the bottons
+   */
   void add_elements();
 };