Examine source code of EpisodeLock

{
  "manifest_version": 3,
  "name": "EpisodeLock",
  "version": "1.0.12",
  "description": "Parental control extension that limits streaming episodes per day on Netflix, Disney+, Prime Video, YouTube and YouTube Kids",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.netflix.com/*",
    "*://*.disneyplus.com/*",
    "*://*.amazon.com/*",
    "*://*.primevideo.com/*",
    "*://*.youtube.com/*",
    "*://*.youtubekids.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.netflix.com/*",
        "*://*.disneyplus.com/*",
        "*://*.amazon.com/*",
        "*://*.primevideo.com/*",
        "*://*.youtube.com/*",
        "*://*.youtubekids.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "episodelock@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}