fix monorepo package.json & tailwind

Fixes to package naming, sveltekit version mixups, local import
extensions, tailwind app.css imports, tailwind references.

src/lib/Combobox.svelte

@@ -458,7 +458,7 @@
 {/snippet}
 
 <style lang="postcss">
-	@reference "@repo/tailwindcss-config/app.css";
+	@reference "../app.css";
 
 	.picker {
 		--outer-gap: 0.5rem;