fusion shortcuts menu service with header service

src/frontend/app/app.component.ts

src/frontend/app/app.module.ts

src/frontend/app/menu/main-header.component.html

src/frontend/app/menu/main-header.component.ts

src/frontend/app/menu/menu-shortcut.component.html

src/frontend/app/menu/menu-shortcut.component.ts

src/frontend/service/header.service.ts

src/frontend/service/shortcut-menu.service.ts