message: Bring typescript package back to website package.json
  It is required by typedoc, it worked because we relied on root's package.json, but it might be omitted sometimes.
  So let's set it explicitly.
  Partially reverts
diff: "react": "~17.0.1",
  "react-dom": "~17.0.1",
  "typedoc": "~0.22.10",
  - "typedoc-plugin-markdown": "~3.11.7"
  + "typedoc-plugin-markdown": "~3.11.7",
  + "typescript": "4.5.2"
  }
  }
  