add watch output preserve

apps/backend/package.json

@@ -9,8 +9,8 @@
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "nest start",
-    "dev": "nest start --watch",
-    "debug": "nest start --debug --watch",
+    "dev": "nest start --watch --preserveWatchOutput",
+    "debug": "nest start --debug --watch --preserveWatchOutput",
     "prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix"
   },
@@ -44,22 +44,5 @@
     "ts-node": "^10.0.0",
     "tsconfig-paths": "4.2.0",
     "typescript": "^5.0.0"
-  },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
-    "rootDir": "src",
-    "testRegex": ".*\\.spec\\.ts$",
-    "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
-    },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
   }
 }