Continue working on MainView

...sets/de/tobias/playpad/assets/view/main/touch/header.fxml

...laypad/layout/desktop/BasicMenuToolbarViewController.java

...ypad/layout/desktop/DesktopMenuToolbarViewController.java

.../src/de/tobias/playpad/layout/desktop/DesktopPadView.java

...bias/playpad/layout/desktop/DesktopPadViewController.java

.../playpad/layout/touch/TouchMenuToolbarViewController.java

...Wall/src/de/tobias/playpad/layout/touch/TouchPadView.java

...ias/playpad/viewcontroller/main/MainViewControllerV2.java

PlayWallCore/src/de/tobias/playpad/pad/view/IPadViewV2.java