Examine source code of upStartNeo

{
  "manifest_version": 3,
  "name": "upStartNeo",
  "version": "3.1.1",
  "description": "New tab replacement with a feature-rich bookmark manager",
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "64": "img/icon64.png",
    "128": "img/icon128.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "upstartneo@upstart.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_title": "upStartNeo",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "img/icon16.png",
      "32": "img/icon32.png",
      "48": "img/icon48.png",
      "64": "img/icon64.png",
      "128": "img/icon128.png"
    }
  },
  "permissions": [
    "alarms",
    "storage",
    "tabs",
    "unlimitedStorage",
    "contextMenus",
    "notifications",
    "bookmarks"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}