Examine source code of Netflix Speed Controller

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.0.0",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "netflix-speed-controller@leventb",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "https://www.netflix.com/*"
  ],
  "background": {
    "scripts": [
      "background/service-worker.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "js": [
        "utils/storage.js",
        "utils/i18n.js",
        "content/observer.js",
        "content/overlay.js",
        "content/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "web_accessible_resources": [
    "locales/*.json"
  ]
}