Examine source code of Better Navigation History

{
  "manifest_version": 3,
  "name": "Better Navigation History",
  "version": "2.5.11",
  "description": "Show navigation history (especially redirects) with enhanced context menu options.",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "webNavigation",
    "webRequest",
    "tabs",
    "storage",
    "contextualIdentities",
    "clipboardWrite",
    "cookies",
    "sessions"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Better Navigation History"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "better-navigation-history@byuserforuser.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}