message: move now to devDependencies
diff: "d3-shape": "^1.2.0",
  "emotion": "9.2.6",
  "emotion-theming": "9.2.6",
  - "now": "11.3.12",
  "primer-colors": "1.0.1",
  "primer-typography": "1.0.1",
  "react": "^16.2.0",
  "eslint-plugin-react": "7.8.2",
  "jest": "23.5.0",
  "jest-emotion": "9.2.7",
  + "now": "11.3.12",
  "primer-buttons": "2.6.0",
  "primer-forms": "2.1.4",
  "primer-layout": "1.4.9",
  