Examine source code of sad

{
  "manifest_version": 3,
  "name": "sad",
  "description": "sad - The Unblockable AdBlocker shields users from intrusive ads, ensuring uninterrupted browsing joy with relentless efficiency.",
  "version": "1.5.0",
  "permissions": [
    "declarativeNetRequest",
    "activeTab",
    "storage",
    "webNavigation",
    "tabs",
    "scripting",
    "history"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "background": {
    "service_worker": "background-script.js",
    "type": "module",
    "scripts": [
      "background-script.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules.json"
      }
    ],
    "active": true
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f7a14da-e1c4-4cd1-94d0-bc14c95072ab}",
      "strict_min_version": "113.0"
    },
    "safari": {
      "strict_min_version": "14"
    }
  }
}