Examine source code of AdOff

{
  "manifest_version": 3,
  "name": "AdOff",
  "version": "3.5.35",
  "description": "Ads? Off! Blocca pubblicita' su tutti i siti. Invisibile. Leggero. Veloce.",
  "browser_specific_settings": {
    "gecko": {
      "id": "adoff@adoff.app",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "declarativeNetRequestFeedback",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/stealth-injector.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/ads-hide.css"
      ],
      "run_at": "document_start"
    }
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "adblock_rules",
        "enabled": true,
        "path": "rules/adblock-rules.json"
      }
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "src/stealth.js",
        "stubs/google-ima3.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_page": "src/options.html",
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  }
}