chore: add basic "benchmark" pkg

pkgs/benchmark/vite.config.ts

@@ -0,0 +1,9 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import wasm from "vite-plugin-wasm";
+import topLevelAwait from "vite-plugin-top-level-await";
+
+// https://vite.dev/config/
+export default defineConfig({
+	plugins: [react(), wasm(), topLevelAwait()],
+});