➕ Add randomcolor

package.json

@@ -56,6 +56,7 @@
     "passport-local": "^1.0.0",
     "qrcode": "^1.4.4",
     "quick-lru": "^5.1.1",
+    "randomcolor": "^0.6.2",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
     "rxjs": "^6.6.3",
@@ -80,6 +81,7 @@
     "@types/passport-jwt": "^3.0.3",
     "@types/passport-local": "^1.0.33",
     "@types/qrcode": "^1.3.5",
+    "@types/randomcolor": "^0.5.5",
     "@types/supertest": "^2.0.10",
     "@types/uuid": "^8.3.0",
     "@typescript-eslint/eslint-plugin": "4.6.0",