message: fix(storybook): fixes to carbon expressive storybook output
diff: "@carbon/icons-react": "^10.8.0",
  "@storybook/addon-actions": "5.1.3",
  "@storybook/addon-knobs": "5.1.3",
  + "@storybook/addon-storysource": "5.1.3",
  "@storybook/react": "5.1.3",
  "babel-loader": "^8.0.6",
  "browserslist-config-carbon": "^10.4.0",
  "react-dom": "16.9.0",
  "require-context.macro": "^1.2.2",
  "require-dir": "^1.2.0",
  + "sass-loader": "^7.1.0",
  "storybook-readme": "^5.0.8",
  + "string-replace-loader": "^2.1.0",
  "style-loader": "^1.0.0"
  },
  "sideEffects": false,
  