Selectorless template parsing

DRANK

⚠️ Disclaimer ⚠️ this PR implements syntax that is still being designed and discussed. It's an initial prototype that will allow us experiment with the runtime and run user studies. These changes are an initial implementation of the template parsing for selectorless templates. Here's an example showing most of the syntax where we create a MatButton component as a link, we apply the HasRipple directive without any inputs and set a tooltip that's only enabled if the user doesn't have permissions to go to the admin page: <MatButton:a href="/admin" @HasRipple @Tooltip(message="Cannot navigate" [disabled]="hasPermissions")>Admin</MatButton:a>