fix: Add missing vite.config.js to supradough package

packages/supradough/vite.config.js

@@ -0,0 +1,16 @@
+import { defineConfig } from 'vite';
+import { resolve } from 'path';
+import bundleAudioWorkletPlugin from 'vite-plugin-bundle-audioworklet';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [bundleAudioWorkletPlugin()],
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'index.mjs'),
+      formats: ['es'],
+      fileName: (ext) => ({ es: 'index.mjs' })[ext],
+    },
+    target: 'esnext',
+  },
+});