Add start:prod-exit to exit on any fails

package.json

@@ -13,6 +13,7 @@
     "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node --unhandled-rejections=none dist/main",
+    "start:prod-exit": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "jest",
     "test:watch": "jest --watch",