Added documentation for skill details group box

source/RobotAPI/libraries/skills_gui/skill_details/SkillDetailsGroupBox.h

@@ -29,29 +29,41 @@ namespace armarx::skills::gui
         }
 
     signals:
+        /**
+         * @brief Notify widgets to clear all state.
+         */
         void disconnectGui();
 
         /**
-         * @brief Notify widgets to update themselves
+         * @brief Notify widgets to update themselves.
          */
         void updateGui();
 
     public slots:
         /**
-         * @brief Update subwidgets of an updated skill selection.
+         * @brief Updates subwidgets of an updated skill selection.
          * @param skillId
          */
         void updateSkillDetails(skills::SkillID& skillId);
 
+        /**
+         * @brief Updates appearance such, that it reflects the GUI connecting.
+         * @param observerName the name of the observer.
+         */
         void connectGui(std::string observerName);
 
     private slots:
+
+        /**
+         * @brief Sends an execution request to memory.
+         */
         void handleExecutionRequest();
 
     private:
         void setupUi();
         void connectSignals();
 
+        // contents
         QVBoxLayout* layout = nullptr;
         QPushButton* executeSkillButton = nullptr;
         SkillDetailsTreeWidget* skillDetailsTreeWidget = nullptr;