Examine source code of Vokabular

{
  "manifest_version": 3,
  "name": "Vokabular",
  "version": "1.0.0",
  "description": "Speichere deutsches Vokabular beim Lernen.",
  "browser_specific_settings": {
    "gecko": {
      "id": "vokabular@ruipina",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "purposes": []
      }
    }
  },
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://en.wiktionary.org/*",
    "https://api.mymemory.translated.net/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_title": "Vokabular öffnen",
    "default_icon": {
      "48": "icons/icon-48.svg",
      "128": "icons/icon-128.svg"
    }
  },
  "icons": {
    "48": "icons/icon-48.svg",
    "128": "icons/icon-128.svg"
  }
}