Examine source code of Tab Pocket

{
  "name": "Tab Pocket",
  "description": "Store tabs into tidy pockets you can restore later. Clear your cluttered browser while keeping full, one-click restore capability.",
  "author": "Mechanika Design",
  "default_locale": "en",
  "version": "1.0.1",
  "manifest_version": 3,
  "icons": {
    "32": "icons/pocket-32.png",
    "48": "icons/pocket-48.png",
    "96": "icons/pocket-96.png"
  },
  "background": {
    "scripts": [
      "compat.js",
      "utils.js",
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tabpocket-extension@mechanikadesign.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  },
  "options_ui": {
    "page": "settings/settings.html",
    "open_in_tab": true
  }
}