Report filename and file size in modelLoader

[kerthcet]

What would you like to be cleaned:

Here's the current output of model loader:

Skipping virtualenv creation, as specified in config file.
2024-09-03 14:49:03,464 - __main__ - INFO - loading models from modelhub takes 0:03:15.848986s
Start to download model TheBloke/Llama-2-7B-GGUF
Skipping virtualenv creation, as specified in config file.
2024-09-03 14:45:45,397 - __main__ - INFO - loading models from modelhub takes 0:11:10.482161s
Start to download model TheBloke/Llama-2-7B-GGUF
Error from server (BadRequest): container "model-runner" in pod "llamacpp-speculator-0" is waiting to start: PodInitializing

If we're downloading GGUF files, there's no file name and the file size, we should report that as well.

Why is this needed:

Better observation.

[kerthcet]

/milestone v0.1.0

[kerthcet]

/assign

[kerthcet]

I think file size is not necessary because usually we know the size very well. And calculating the size takes times, if oneday it costs no time like supported by the hub library, we can support this.