build: add MSW package

Author: luisaveiro

code/package.json

@@ -62,6 +62,7 @@
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-prettier": "^5.1.3",
+    "msw": "^2.2.0",
     "prettier": "^3.2.5",
     "typescript": "^5.3.3",
     "vite": "^5.1.1",