Examine source code of Foreign Wheels - Vehicle Importation

{
  "name": "Foreign Wheels - Vehicle Importation",
  "description": "Import your dream car hassle-free with Foreign Wheels! Get instant quotes & full-service delivery from mobile.de & AutoScout24.com!",
  "version": "1.0.68",
  "author": "paulo.oliveira@foreignwheels.pt",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "paulo.oliveira@foreignwheels.pt"
    }
  },
  "permissions": [
    "storage",
    "geolocation",
    "webNavigation",
    "scripting"
  ],
  "action": {
    "default_popup": "html/popup.html",
    "default_icon": {
      "16": "images/icons/16x16.png",
      "32": "images/icons/32x32.png",
      "48": "images/icons/48x48.png",
      "128": "images/icons/128x128.png"
    }
  },
  "icons": {
    "16": "images/icons/16x16.png",
    "32": "images/icons/32x32.png",
    "48": "images/icons/48x48.png",
    "128": "images/icons/128x128.png"
  },
  "host_permissions": [
    "*://*.mobile.de/*",
    "*://*.autoscout24.com/*"
  ],
  "background": {
    "service_worker": "scripts/extension/background.js",
    "scripts": [
      "scripts/extension/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.mobile.de/auto-inserat*",
        "https://*.mobile.de/*search.html*",
        "https://*.mobile.de/*details.html*"
      ],
      "js": [
        "dist/bundle.js",
        "scripts/mobile-de.js"
      ]
    },
    {
      "matches": [
        "https://*.autoscout24.com/offers/*",
        "https://*.autoscout24.com/lst*"
      ],
      "js": [
        "dist/bundle.js",
        "scripts/autoscout24.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/countries.JSON",
        "assets/locations.JSON",
        "assets/vehicle-infos.JSON"
      ]
    }
  ]
}