Examine source code of Disable Passkeys

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "2.1.2",
  "author": "TheConfax",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "disable-passkeys@theconfax",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "storage",
    "scripting",
    "declarativeNetRequestWithHostAccess"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/block_counter.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/theme_watcher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://ko-fi.com/*"
      ],
      "js": [
        "i18n/kofi-strings.js",
        "pages/about/kofi_embed.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.paypal.com/*"
      ],
      "js": [
        "pages/about/paypal_embed.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background/sw.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "__MSG_extName__",
    "default_icon": "img/icon32.png"
  }
}