Examine source code of ZipIt - Website to ZIP

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "version": "2.0",
  "description": "__MSG_appDesc__",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "activeTab",
    "downloads",
    "tabs",
    "scripting",
    "storage",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "popup.html",
    "default_title": "Open ZipIt",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "action": {
    "default_title": "Open ZipIt",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "homepage_url": "https://zipit.blintix.store/",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "zipit@blintix.store",
      "strict_min_version": "109.0"
    }
  }
}