Examine source code of NaviHistory

{
  "manifest_version": 2,
  "name": "NaviHistory",
  "version": "1.0.0",
  "description": "Capture and display navigation history for the current tab during the browser session.",
  "icons": {
    "64": "icon64.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad5236cd-b6d6-4d07-829c-935ec98ffb4a}",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "webNavigation",
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "NaviHistory",
    "default_popup": "popup.html",
    "default_icon": {
      "64": "icon64.png",
      "128": "icon128.png"
    }
  }
}