bump package.json version according to conventional-changelog.
conventional-bump is built on conventional-recommended-bump.
Purpose of this library is to automatically bump the package.json version number.
$ npm install --save-dev conventional-bump$ conventional-bump --help
Usage: index.js [-p preset]
Options:
  --version     Print current version                                  [boolean]
  -h, --help    Show help                                              [boolean]
  -p, --preset  conventional-changelog preset to use        [default: "angular"]in your package.json :
{
  "scripts": {
    "bump": "conventional-bump -p angular",
    "version": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0 && git add CHANGELOG.md"
  }
}$ npm run bump && npm publish