[Docs] Add files for KD algo DFND

[Cbtor]

Motivation

DFND (Learning Student Networks in the Wild) is a famous algorithm for data-free noisy distillation. It could achieve comparable accuracy with supervised training model using only noisy wild data. The paper is published on CVPR 2021.

Modification

Add files for DFND algorithm.

Use cases (Optional)

python tools/train.py configs/distill/mmcls/dfnd/dfnd_logits_resnet34_resnet18_8xb32_cifar10.py

[Cbtor]

I need some help. There are two mdformat check in lint, and the code fails the first one but pass the second. What is the difference between them? Meanwhile, I already use docformatter(version==1.7.5) tool to format my code, but it still fail the check. Could you please help me to find out how to pass the checks? @HIT-cwh @humu789

mdformat.................................................................Failed
- hook id: mdformat
- files were modified by this hook
docformatter.............................................................Failed
- hook id: docformatter
- files were modified by this hook
mdformat.................................................................Passed

[c122-ode]

fork