Examine source code of Kap Media

{
  "manifest_version": 2,
  "name": "Kap Media",
  "description": "Instagram ve X için hızlı, sade ve yüksek kaliteli medya indirme aracı.",
  "version": "1.9.0",
  "default_locale": "tr",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "contextMenus",
    "downloads"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kap@btrkv10.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Kap Media - Medya İndir",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://instagram.com/*",
        "*://*.instagram.com/*",
        "*://x.com/*",
        "*://*.x.com/*",
        "*://twitter.com/*",
        "*://*.twitter.com/*",
        "*://threads.net/*",
        "*://*.threads.net/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ]
}