Examine source code of Rayobyte Proxy Switcher

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "0.0.6",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "icons": {
    "16": "assets/icons/16.png",
    "48": "assets/icons/48.png",
    "64": "assets/icons/64.png",
    "128": "assets/icons/128.png"
  },
  "action": {
    "default_title": "__MSG_tipBrowserAction__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icons/16.png",
      "48": "assets/icons/48.png",
      "64": "assets/icons/64.png",
      "128": "assets/icons/128.png"
    }
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "permissions": [
    "storage",
    "proxy",
    "webRequest",
    "webRequestAuthProvider",
    "browsingData",
    "cookies"
  ],
  "background": {
    "scripts": [
      "scripts/background.bundle.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@rayobyte.com",
      "strict_min_version": "100.0"
    }
  }
}