feat: ChordDiagram component

app/app/components/chord-diagram/chord-diagram.tsx

@@ -0,0 +1,23 @@
+import { getPianoNotes, getGuitarVoicing } from '~/lib/chord-voicing';
+import { PianoKeys } from './piano-keys';
+import { GuitarFretboard } from './guitar-fretboard';
+
+export type Instrument = 'piano' | 'guitar';
+
+interface Props {
+  chord: string;
+  instrument: Instrument;
+}
+
+export function ChordDiagram({ chord, instrument }: Props) {
+  return (
+    <div className="flex flex-col items-center gap-2 p-2">
+      <span className="text-xs font-mono font-semibold text-primary">{chord}</span>
+      {instrument === 'piano' ? (
+        <PianoKeys notes={getPianoNotes(chord)} />
+      ) : (
+        <GuitarFretboard voicing={getGuitarVoicing(chord)} />
+      )}
+    </div>
+  );
+}