switch run_worker_first playground to use wrangler.jsonc

Author: petebacondarwin

packages/vite-plugin-cloudflare/playground/run-worker-first/wrangler.jsonc

@@ -0,0 +1,10 @@
+{
+	"name": "api",
+	"main": "./middleware/index.ts",
+	"compatibility_date": "2024-12-30",
+	"assets": {
+		"not_found_handling": "single-page-application",
+		"binding": "ASSETS",
+		"run_worker_first": true,
+	},
+}