build(standard-version): Use standard-version to run releases

Author: tmcw

package.json

@@ -15,6 +15,7 @@
     "husky": "^0.13.3",
     "lint-staged": "^3.4.0",
     "prettier": "^0.22.0",
+    "standard-version": "^4.0.0",
     "tap": "10.3.2"
   },
   "keywords": [
@@ -30,6 +31,7 @@
     "url": "git@github.com:documentationjs/gulp-documentation.git"
   },
   "scripts": {
+    "release": "standard-version",
     "precommit": "lint-staged --verbose",
     "format": "prettier --write '{lib,test}/**/*.js' --single-quote",
     "docs": "documentation readme index.js --section=API"