Hope to add the left function bar custom sort function

[SixXue]

Describe your feature request:
I hope to enhance the custom sorting function of the left function bar, allowing users to select their frequently used functions for easy access at the top of the left side.
Thanks.

[BornToBeRoot]

@SixXue the feature is available as pre-release: https://github.com/BornToBeRoot/NETworkManager/releases/tag/2024.8.1.0