Examine source code of tweakers topic watcher

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  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "gerardes@gmail.com",
      "strict_min_version": "42.0"
    }
  },
  "name": "tweakers topic watcher",
  "description": "Deze extensie houdt jouw favoriete Tweakers.net topics in de gaten",
  "version": "0.52.94",
  "icons": {
    "128": "img/icon.png"
  },
  "browser_action": {
    "default_icon": "img/icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "scripts/helpers.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://gathering.tweakers.net/*"
      ],
      "css": [
        "css/content.css"
      ],
      "js": [
        "scripts/helpers.js",
        "scripts/vendor/jquery-3.4.1.min.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage",
    "https://gathering.tweakers.net/"
  ]
}