Add scripts to package

Author: blakegearin

package.json

@@ -6,7 +6,9 @@
     "lint": "eslint src/github-custom-global-navigation.user.js",
     "clean": "eslint --fix src/github-custom-global-navigation.user.js",
     "fix": "npm run clean && git add src/github-custom-global-navigation.user.js",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "update-version": "bash helpers/update-version.sh",
+    "release": "bash helpers/release.sh"
   },
   "repository": {
     "type": "git",