Update or create skip-link component

[bluemoonecho]

Check if the skip-link component already exists, if not create a new component.

Bitstyles Skip Link

[andreasknoepfle]

Can you describe what this component should do or which bitstyles component should be reflected, since it is not obvious to me?

[bluemoonecho]

@andreasknoepfle Link to the description of the component: https://bitcrowd.github.io/bitstyles/?path=/story/atoms-skip-link-overview--page