docs(Button): add example with custom link component as root (#1910)
docs(Button): add example with custom link component as root (#1910)

* docs(Button): remove hard-coded type prop

* docs(Button): add example with custom link component as root

joshblack/carbon-components-react,carbon-design-system/carbon-components,joshblack/carbon-components-react,carbon-design-system/carbon-components,carbon-design-system/carbon-components,carbon-design-system/carbon-components-react,carbon-design-system/carbon-components-react