Support getting config and model from model name and alias. 让 get_model、get_config 支持从本都 cfg、metafile 里定义的 model name，alias 获取配置文件和 cfg

[OpenMMLab-Assistant-004]

Support getting config and model from model name and alias.

让 get_model、get_config 支持从本都 cfg、metafile 里定义的 model name，alias 获取配置文件和 cfg

See details in open-mmlab/mmengine#1256

详见 open-mmlab/mmengine#1256

Task Information

Repository：MMEngine

Difficulty：Medium

Points：30

Estimated Time Consumption：14 days

Task Status

Claimant's Github ID：None

Claim Time：None

PR Link：None

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