docs: add development section (#83)

Author: ricardogobbosouza

README.md

@@ -85,6 +85,12 @@ Differences between vue-analytics and the Nuxt.js implementation:
   }
   ```
 
+## Development
+
+1. Clone this repository
+2. Install dependencies using `yarn install` or `npm install`
+3. Start development server using `npm run dev`
+
 ## License
 
 [MIT License](./LICENSE)

package.json

@@ -15,6 +15,7 @@
     "types/*.d.ts"
   ],
   "scripts": {
+    "dev": "nuxt test/fixture/dev",
     "lint": "eslint --ext .js,.vue .",
     "release": "yarn test && standard-version && git push --follow-tags && npm publish",
     "test": "yarn lint && jest"