feat: initial Reaktor modular synth app

React + Tone.js modular synthesizer with visual node editor.
Includes: Oscillator, Filter, Envelope, LFO, VCA, Delay, Reverb,
Distortion, Mixer, Scope, Output, and Keyboard modules.
SVG wire connections, knob controls, preset save/load system.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vite.config.js

@@ -0,0 +1,8 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: { port: 3000 },
+  build: { outDir: 'dist' }
+});