Examine source code of NTR: New Tab Redirect

{
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "main.html"
  },
  "description": "Allows a user to provide the URL of the page that loads in a new tab.",
  "host_permissions": [
    "file:///",
    "*://*/*"
  ],
  "icons": {
    "19": "images/icon19.png",
    "128": "images/icon128.png",
    "200": "images/icon200.png"
  },
  "action": {
    "default_icon": {
      "19": "images/icon19.png",
      "36": "images/icon36.png"
    },
    "default_title": "NTR: New Tab Redirect"
  },
  "incognito": "spanning",
  "manifest_version": 3,
  "minimum_chrome_version": "89",
  "name": "NTR: New Tab Redirect",
  "optional_permissions": [
    "tabs",
    "topSites",
    "management"
  ],
  "options_page": "options.html",
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "bookmarks"
  ],
  "version": "3.1.6",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b7c5e4a6-d2f1-4a9b-8c3d-e5f6a7b8c9d0}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}