Examine source code of Qoala

{
  "manifest_version": 2,
  "name": "Qoala",
  "version": "4.27.2",
  "description": "Extensión de cupones y cashback en tus tiendas favoritas.",
  "homepage_url": "https://joinqoala.com",
  "icons": {
    "128": "assets/images/icon128.png"
  },
  "browser_action": {
    "default_icon": "assets/images/icon32.png",
    "default_title": "Abre Qoala",
    "default_popup": "/popup/Popup.html"
  },
  "permissions": [
    "activeTab",
    "storage",
    "alarms"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "/BackgroundWorker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*"
      ],
      "js": [
        "/content-scripts/store/StoreContentScript.js"
      ]
    },
    {
      "matches": [
        "https://*.google.com/*",
        "https://*.google.es/*",
        "https://*.google.co.uk/*"
      ],
      "js": [
        "/content-scripts/googleSearch/googleSearch.js"
      ]
    },
    {
      "matches": [
        "https://*.joinqoala.com/*",
        "http://localhost:3000/*"
      ],
      "js": [
        "/content-scripts/auth/AuthContentScript.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "/f.js",
    "/fc.js",
    "/assets/images/icon128.png",
    "/assets/images/iconwhite128.png",
    "/assets/images/drag_icon.svg",
    "/content-scripts/store/cashbackPopup/CashbackPopup.html",
    "/content-scripts/store/nonTransactorCashbackPopup/NonTransactorCashbackPopup.html",
    "/content-scripts/store/redirectPopup/RedirectPopup.html",
    "/content-scripts/store/successPopup/SuccessPopup.html",
    "/content-scripts/store/peerPopup/PeerPopup.html",
    "/content-scripts/googleSearch/SearchTag.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9b2a684c-a6fc-4b4c-b53b-06e53a8617c0}"
    }
  }
}