Missing dev script

[tmst]

npm run dev:

npm ERR! missing script: dev

`package.json`:

{
  "name": "gae-vue-webapp2-starter",
  "version": "1.0.0",
  "description": "A simple application for [Google App Engine](https://appengine.google.com/), using [Vue.js](https://vuejs.org/) on the frontend and [Webapp2](https://webapp2.readthedocs.io/) on the backend. This project can be deployed on Google AppEngine Python Standard Environment.",
  "main": "index.js",
  "directories": {
    "lib": "lib"
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/Valmoz/gae-vue-webapp2-starter.git"
  },
  "author": "",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/Valmoz/gae-vue-webapp2-starter/issues"
  },
  "homepage": "https://github.com/Valmoz/gae-vue-webapp2-starter#readme"
}

[valmoz]

Hi @tmst I just tried to clone the repo from scratch and "npm run dev" worked without problems.
Please, check to be in the app folder and launch "npm install" before trying to run the Vue app.