message: Add prepare script for statics
diff: "fmt": "prettier --write 'src/**/*.ts'",
  "check-fmt": "prettier --check 'src/**/*.ts'",
  "clean": "rm -r ./dist",
  - "precommit": "lint-staged"
  + "precommit": "lint-staged",
  + "prepare": "npm run build"
  },
  "author": "Tyler Levine <tyler@bitgo.com>",
  "license": "Apache-2.0",
  