Examine source code of YouTube addiction control

{
  "description": "Enables you to fight your youtube addiction by hiding video suggestions and related 'features' of YouTube's website. If you really want to, you can temporarily unhide those elements.",
  "manifest_version": 2,
  "name": "YT addiction control",
  "version": "0.2.2",
  "homepage_url": "https://gitlab.com/arnekeller/yt-addiction-control",
  "icons": {
    "48": "icons/ytac.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "youtube-addiction-control-extension-firefox.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/ytac.svg",
    "default_title": "YT Addiction Control",
    "default_popup": "popup/control.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a15141e-ca8d-4428-8788-bef1fc2dfcb6}"
    }
  }
}