message: adding missing build script
diff: "main": "./backend/index.js",
  "bin": "./backend/index.js",
  "scripts": {
  + "install": "tsc && gulp build-prod",
  "build-release": "gulp build-release",
  "pretest": "tsc",
  "test": "ng test --single-run && mocha --recursive test/backend/unit && mocha --recursive test/backend/integration && mocha --recursive test/common/unit ",
  