merkisoft

@OgiSss @crisbeto thx for the advanced marker support. MapAdvancedMarker is missing icon => found it: content, tip: read google docs regarding advanced markers :-)

btw this line on https://angular.io/guide/component-interaction shows that @Input may have a default value: ``` @Input('master') masterName = ''; ```

the problem is that it breaks existing, working code when upgrading to router input binding and maybe a very unexpected thing (at least for me it was, luckily I found...

I would have preferred to name it something different @RouterInput() or alike as it has different semantic