Add static assets to nginx

front/components/Metronome.tsx

@@ -0,0 +1,13 @@
+import { useEffect, useRef } from 'react';
+
+export const Metronome = ({ paused = false, bpm }: { paused?: boolean; bpm: number }) => {
+	const ref = useRef<HTMLAudioElement | null>(null);
+	useEffect(() => {
+		const int = setInterval(() => {
+			if (!ref.current) ref.current = new Audio("/assets/metronome.mp3");
+			ref.current.play();
+		}, 60000 / bpm);
+		return () => clearInterval(int);
+	}, []);
+	return null;
+};