Examine source code of Tab Tangle

{
  "manifest_version": 3,
  "name": "Tab Tangle",
  "version": "1.0.0",
  "description": "Manage, search, and organize your browser tabs with a visual dashboard. Search across all tabs, close multiple tabs at once, and keep your browsing organized.",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "incognito": "not_allowed",
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-tangle@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Tab Tangle",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "browser-polyfill.js",
        "content.js"
      ]
    }
  ]
}