Examine source code of plusrente Cashback Radar

{
  "manifest_version": 3,
  "name": "plusrente Cashback-Radar",
  "version": "2.0.2",
  "description": "Mit dem plusrente Cashback-Radar sparen fürs Alter",
  "host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/content.js"
      ]
    }
  ],
  "background": {
    "page": "background-page.html"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png"
  },
  "action": {
    "default_icon": "icon16.png",
    "default_popup": "index.html"
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "plusrente@mehrwerk.de",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}