build: add release script

Author: eddyerburgh

build/release.sh

@@ -6,6 +6,7 @@
   "scripts": {
     "lint": "eslint jest-vue.js test",
     "lint:fix": "npm run lint -- --fix",
+    "release": "build/release.sh",
     "release:note": "node build/gen-release-note.js",
     "test": "npm run lint && npm run unit",
     "unit": "cross-env BABEL_ENV=test jest --no-cache --coverage --coverageDirectory test/coverage"