Examine source code of Immo Organizer

{
  "manifest_version": 3,
  "name": "Immo Organisator",
  "description": "ImmoScout24 auf Steroiden: Mehr Übersicht und Organisation für deinen ImmoScout24 Account (Favoriten, Exposés, Suche, etc.)",
  "version": "1.4.0",
  "icons": {
    "16": "logo/logo-16.png",
    "32": "logo/logo-32.png",
    "48": "logo/logo-48.png",
    "128": "logo/logo-128.png"
  },
  "action": {
    "default_title": "Immo Organisator",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "logo/logo-16.png",
      "32": "logo/logo-32.png",
      "48": "logo/logo-48.png"
    }
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://www.immobilienscout24.de/*"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "https://www.immobilienscout24.de/*"
      ],
      "resources": [
        "icons/*",
        "logo/*"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "https://www.immobilienscout24.de/*"
      ],
      "resources": [
        "assets/isRecord-2UtNZ3bw.js",
        "assets/ensureDefaultCategoryNames-DECHM-Jr.js",
        "assets/deleteUserData-o1zLDCDK.js",
        "assets/content.ts-lYBRkoZT.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "immoscout24-organisator@techrockers.de",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "assets/background.ts-CE1eygAq.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/content.ts-loader-CGNRASY9.js"
      ],
      "matches": [
        "https://www.immobilienscout24.de/meinkonto/",
        "https://www.immobilienscout24.de/meinkonto/dashboard*",
        "https://www.immobilienscout24.de/meinkonto/meine-immobilien*",
        "https://www.immobilienscout24.de/expose/*"
      ],
      "run_at": "document_start",
      "css": [
        "assets/content-BWptNZZU.css"
      ]
    }
  ]
}