Examine source code of Gpaletanotif

{
  "manifest_version": 2,
  "name": "Gpaletanotif",
  "description": "Cette extension a été mise au point pour vous prévenir quand Gpaletan stream",
  "version": "0.5",
  "browser_action": {
    "default_popup": "index.html"
  },
  "icons": {
    "64": "sub.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}