chore(playground): add start command

pi0 · pi0 · commit 7ab898c550a1 · 2025-05-23T18:14:10.000+02:00
diff --git a/playground/package.json b/playground/package.json
@@ -3,6 +3,7 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
+    "start": "npm run node",
     "node": "node --watch ./server.mjs",
     "bun": "bun run --watch ./server.mjs",
     "deno": "deno run -A --watch ./server.mjs"
