`createGroup()` of `Instagram.Direct` is set to private

[ErrorxCode]

Discussed in https://github.com/ErrorxCode/EasyInsta/discussions/40

^{Originally posted by ErrorxCode April 5, 2024} Here, you can talk about anything related to the project. You can ask questions, make announcements, raise queries, highlight problems and talk about the changes in the code or API. If you have any doubt, you can ask it here before creating an issue

[ErrorxCode]

Contribution for testing and making that method public is appreciated!