Examine source code of proxy-utility

{
  "manifest_version": 2,
  "default_locale": "ru",
  "name": "__MSG_extensionName__",
  "version": "0.1.3",
  "description": "__MSG_extensionDescription__",
  "browser_specific_settings": {
    "gecko": {
      "id": "proxy-browser@evrkms",
      "strict_min_version": "148.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "proxy",
    "storage",
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background/index.js"
    ],
    "type": "module"
  },
  "browser_action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "src/popup/popup.html"
  }
}