[APP] Host Listener for internal links

[musicEnfanthen]

import { ..., HostListener } from '@angular/core';

// TODO: maybe implement features from events by hostlistener ...

 @HostListener('click', ['$event'])

 onClick(event) {
  if (event.target.parentElement.classList[0] === 'fuuws') {
      // HERE THINGS CAN BE ADDED §
      console.log('opening detail dialog with ' + event.target.firstChild.data );
      console.log( event.target );
      this.openDetailsDialog(event.target.firstChild.data);
    } // else {console.log('actions on cells disabled or no action defined')}
}