message: Add changelog script back
diff: },
  "scripts": {
  "start": "node example/app",
  - "publish": "git push origin && git push origin --tags",
  + "publish": "git push origin --tags && npm run changelog && git push origin",
  "release:patch": "npm version patch && npm publish --access public",
  "release:minor": "npm version minor && npm publish --access public",
  "release:major": "npm version major && npm publish --access public",
  - "release:pre": "npm publish --tag pre --access public",
  + "release:pre": "npm version prerelease && npm publish --tag pre --access public",
  "changelog": "github_changelog_generator && git add CHANGELOG.md && git commit -am \"Updating changelog\"",
  "lint": "semistandard --fix",
  "mocha": "mocha --opts mocha.opts",
  