[Feature Request] use eval_descriptor function in command-line

[QuantumMisaka]

Summary

Now we can only use eval_descriptor function under DeepPot class to get descripor matrix of DP model, could it possible to run this function in command line like what is done in dp test?

Detailed Description

One possible usage: dp eval_desc -m [model] -s [dataset] {-o ['desc']} for generate descriptors in desc/(name_of_system_in_dataset).npy

Further Information, Files, and Links

No response