fix ui package, use sv to create

recreated package using sv, marking correctly as a library. seems I was
missing some sveltekit tooling somewhere along the way otherwise.

src/lib/index.ts

@@ -0,0 +1,18 @@
+// Reexport your entry components here
+export { default as Button } from './Button.svelte';
+export { default as CenterBox } from './CenterBox.svelte';
+export { default as Combobox } from './Combobox.svelte';
+export { default as FramelessButton } from './FramelessButton.svelte';
+export { default as Label } from './Label.svelte';
+export { default as Link } from './Link.svelte';
+export { default as PhoneInput } from './PhoneInput.svelte';
+export { default as PinInput } from './PinInput.svelte';
+export { default as RadioGroup } from './RadioGroup.svelte';
+export { default as Select } from './Select.svelte';
+export { default as Spinner } from './Spinner.svelte';
+export { default as StateMachine, type StateMachinePage } from './StateMachine.svelte';
+export { default as StyledRawInput } from './StyledRawInput.svelte';
+export { default as TextInput } from './TextInput.svelte';
+export { default as TimezoneInput } from './TimezoneInput.svelte';
+export { default as ToggleGroup } from './ToggleGroup.svelte';
+export { default as ToggleSelect } from './ToggleSelect.svelte';