Examine source code of pinsa perfume

{
  "name": "Perfume Fashion Guide",
  "description": "this extension is about the guide of buying best cologne and perfume",
  "version": "0.0.0.13",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [],
  "browser_action": {},
  "manifest_version": 2,
  "icons": {
    "128": "icon.png"
  }
}