Finish documention until someone change something

src/SpecialMenus/Akku/menuAkku.h

@@ -1,7 +1,7 @@
 /**
  * @file menuAkku.h
  * @author Alexander Klein (alex@kleiax.de)
- * @brief 
+ * @brief Contains a Menu class to show battery pack informations
  * @version 0.1
  * @date 2022-02-05
  * 
@@ -16,19 +16,41 @@
 
 #include "menuControl.h"
 
+/**
+ * @brief This class shows Akku informations
+ * 
+ * Provide information for main battery pack and 
+ * PS3-Controller battery pack
+ * 
+ */
 class MenuAkku : public MenuControl {
     public:
+        /**
+         * @brief Construct a new Menu Akku object
+         * 
+         */
         MenuAkku();
 
-        void down(){}
-        void up(){}
-        void right();
-        void left();
-        void no();
-        void yes();
+        void down() override {}
+        void up() override {}
+        void right() override;
+        void left() override;
+        void no() override;
+        void yes() override;
 
-        void printMenu();
-        void update();
+    	/**
+    	 * @brief Prints the Information to display and console
+    	 * 
+         * The informations are only printed to the display if it
+         * set.
+    	 */
+        void printMenu() override;
+
+        /**
+         * @brief Renew the informations and print them
+         * 
+         */
+        void update() override;
 
     private:
         const uint16_t delay = 5000;