Examine source code of GoldPro Ad Blocker

{
  "manifest_version": 3,
  "name": "GoldPro Ad Blocker",
  "version": "2.1",
  "description": "Free ad, popup, and malicious redirect protection for Firefox.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{be340df4-a81c-448c-8aa2-8d7c69b24b63}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "declarativeNetRequest",
    "tabs",
    "storage",
    "webNavigation"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; upgrade-insecure-requests;"
  },
  "background": {
    "scripts": [
      "background/service-worker.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "*://youtube.com/*",
        "*://www.youtube.com/*",
        "*://m.youtube.com/*",
        "*://music.youtube.com/*",
        "*://youtu.be/*"
      ],
      "js": [
        "content/interceptor.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "*://youtube.com/*",
        "*://www.youtube.com/*",
        "*://m.youtube.com/*",
        "*://music.youtube.com/*",
        "*://youtu.be/*"
      ],
      "js": [
        "content/dom-watcher.js"
      ],
      "run_at": "document_start",
      "world": "ISOLATED"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "GoldPro Ad Blocker"
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ad_domains",
        "enabled": true,
        "path": "rules/ad-domains.json"
      },
      {
        "id": "redirect_patterns",
        "enabled": true,
        "path": "rules/redirect-patterns.json"
      }
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}