message: chore: update styled components peer dep
  closes
diff: "mobx": "^4.2.0 || ^5.0.0",
  "react": "^16.2.0",
  "react-dom": "^16.2.0",
  - "styled-components": "^4.0.1"
  + "styled-components": "^4.1.1"
  },
  "dependencies": {
  "classnames": "^2.2.6",
  