Examine source code of Distraction Block

{
  "manifest_version": 3,
  "name": "Distraction Block",
  "version": "2.0.2",
  "description": "Block distracting websites instantly. Simple toggle on/off. Boost productivity and stay focused on what matters right now.",
  "icons": {
    "1024": "icons/icon1024.png",
    "1536": "icons/icon1536.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "1536": "icons/icon1536.png"
    }
  },
  "permissions": [
    "storage",
    "webNavigation",
    "tabs",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "distraction-block@lyndipc.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "author": "Ember Extensions, LLC",
  "homepage_url": "https://distractionblock.com"
}