Examine source code of Download Sorter

{
  "manifest_version": 3,
  "name": "Download Sorter",
  "version": "1.0.0",
  "description": "Sort downloads by file type and URL using customizable rules",
  "permissions": [
    "downloads",
    "storage"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "settings/index.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg",
    "128": "icons/icon-128.svg"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@download-sorter.mitori",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}