Examine source code of chibisafe Uploader

{
  "manifest_version": 2,
  "name": "chibisafe Uploader",
  "description": "Uploader for chibisafe",
  "version": "2021.1.4.0",
  "version_name": "Holo",
  "options_ui": {
    "page": "settings/settings.html",
    "chrome_style": false,
    "open_in_tab": true
  },
  "icons": {
    "48": "images/logo-48x48.png",
    "128": "images/logo-128x128.png"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "js/browser-polyfill.min.js",
      "js/axios.min.js",
      "js/background.js"
    ],
    "persistent": true
  }
}