FEAT #14324 TIME 3:15 feature tour

...n/notification/notification-administration.component.html

.../notification/notifications-administration.component.html

...on/notification/notifications-administration.component.ts

src/frontend/app/home/home.component.html

src/frontend/app/home/home.component.ts

src/frontend/assets/admin_button.png

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts

src/frontend/service/featureTour.service.ts