rename Dateinput -> DateInput

src/lib/index.ts

@@ -3,6 +3,7 @@ export { default as Button } from './Button.svelte';
 export { default as CenterBox } from './CenterBox.svelte';
 export { default as Checkbox } from './Checkbox.svelte';
 export { default as Combobox, type ComboboxItem } from './Combobox.svelte';
+export { default as DateInput } from './DateInput.svelte';
 export { default as FramelessButton } from './FramelessButton.svelte';
 export { default as InjectGoogleMaps } from './InjectGoogleMaps.svelte';
 export { default as InjectUmami } from './InjectUmami.svelte';