Auto-define exports of native properties for a child widget. This should be posted as an issue on the Svelte core repo. It would save a ton of time building com

Auto-define exports of native properties for a child widget. This should be posted as an issue on the Svelte core repo. It would save a ton of time building components! Now that Kit 1.0 is out the door the team can turn their attention back to Svelte proper so now is the time.