message: chore: cleanup xss example
  remove express middleware from the example
diff: "author": "",
  "license": "ISC",
  "dependencies": {
  - "apollo-server-express": "^2.11.0",
  "express": "^4.17.1",
  "graphql": "^15.0.0",
  "graphql-playground-html": "1.6.20",
  