Examine source code of ScheinSafe

{
  "manifest_version": 2,
  "name": "ScheinSafe",
  "version": "1.2.2",
  "description": "Fahrzeugschein scannen, Daten speichern und Formulare automatisch ausfüllen. Mit TÜV-Erinnerung.",
  "author": "ScheinSafe",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@scheinsafe.de",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "authenticationInfo"
        ],
        "optional": []
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "activeTab",
    "tabs",
    "<all_urls>"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; connect-src https://api.scheinsafe.de",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "ScheinSafe",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "ScheinSafe",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "icons/*",
    "js/*",
    "css/*",
    "fonts/*"
  ]
}