feat(semver): add postpublish hook

The postpublish hook will push the newly release tags created by the npm publish command

package.json

@@ -34,6 +34,7 @@
     "patch": "npm version patch && npm publish",
     "minor": "npm version minor && npm publish",
     "major": "npm version major && npm publish",
+    "postpublish": "git push origin master --follow-tags",
     "licenses": "license-checker"
   },
   "keywords": [