Chore: Add PM2 Config

增加 PM2 启动配置文件

ecosystem.config.cjs

@@ -0,0 +1,20 @@
+module.exports = {
+  apps: [
+    {
+      name: "cupcake",
+      script: "pnpm",
+      args: "start",
+      cwd: __dirname,
+      interpreter: "none",
+      instances: 1,
+      exec_mode: "fork",
+      autorestart: true,
+      watch: false,
+      max_memory_restart: "512M",
+      env: {
+        NODE_ENV: "production",
+        PORT: 3000,
+      },
+    },
+  ],
+};