Examine source code of SuperBayBasket

{
  "manifest_version": 2,
  "name": "SuperBayBasket",
  "version": "0.3.5",
  "icons": {
    "128": "icons/sb-icon.png"
  },
  "background": {
    "scripts": [
      "lib/md5.min.js",
      "bs.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/jquery-3.4.1.min.js",
        "lib/vue.min.js",
        "lib/vue-i18n.min.js",
        "cs.js"
      ],
      "css": [
        "css/reset.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_title": "Check on availability",
    "default_icon": "icons/empty_basket.png",
    "default_popup": "popup.html"
  },
  "default_locale": "ru",
  "permissions": [
    "*://*.superbay.de/*",
    "tabs",
    "activeTab",
    "cookies"
  ],
  "externally_connectable": {
    "matches": [
      "*://*.superbay.de/*"
    ]
  },
  "web_accessible_resources": [
    "icons/arrow.png",
    "icons/empty_basket.png",
    "css/sb.css",
    "/css/material-icons.woff2"
  ]
}