Add floating windows and btop system monitor

src/routes/api/btop/+server.ts

@@ -0,0 +1,9 @@
+import { error, json } from '@sveltejs/kit';
+import { getBtopData } from '#lib/server/btop';
+import type { RequestHandler } from './$types';
+
+export const GET: RequestHandler = async () => {
+	const data = await getBtopData();
+	if (!data) error(503, 'System monitor data is unavailable');
+	return json(data, { headers: { 'Cache-Control': 'public, max-age=600' } });
+};