Examine source code of Gotaga

{
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "support@gotaga.tv",
      "strict_min_version": "42.0"
    }
  },
  "name": "Gotaga",
  "short_name": "Gotaga",
  "version": "1.0.0",
  "description": "Notifie lorsque Gotaga est en live mais aussi lorsqu'une vidéo sort.",
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "./background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "96": "icons/96.png",
      "128": "icons/128.png"
    },
    "default_title": "Gotaga - Hors Ligne",
    "default_popup": "index.html"
  },
  "permissions": [
    "alarms",
    "tabs",
    "webRequest",
    "https://gotaga.tv/api*",
    "notifications",
    "storage"
  ]
}