Examine source code of Kariel Web Clipper

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "__MSG_extensionManifestName__",
  "version": "1.0.0",
  "description": "__MSG_extensionManifestDescription__",
  "permissions": [
    "contextMenus",
    "activeTab",
    "notifications",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "http://localhost:41596/*",
    "http://127.0.0.1:41596/*",
    "http://localhost/*",
    "http://127.0.0.1/*",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/content.css",
        "assets/content.js",
        "icons/*",
        "_locales/*/messages.json",
        "preview-player.html",
        "preview-player.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@kariel-web-clipper",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "browsingActivity",
          "websiteContent"
        ]
      }
    }
  }
}