[Tool] Add metafile fill and validation tools.

[mzr1996]

Modification

1. Add a metafile fill tool
2. Add a metafile validation tool and add it to the pre-commit hooks.

Use cases

The metafile fill tool

[codecov]

Codecov Report

Base: 0.02% // Head: 88.58% // Increases project coverage by +88.56% 🎉

Coverage data is based on head (1920273) compared to base (b8b31e9).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##           dev-1.x    #1297       +/-   ##
============================================
+ Coverage     0.02%   88.58%   +88.56%     
============================================
  Files          121      161       +40     
  Lines         8217    12677     +4460     
  Branches      1368     2033      +665     
============================================
+ Hits             2    11230    +11228     
+ Misses        8215     1107     -7108     
- Partials         0      340      +340     

Flag	Coverage Δ
unittests	88.58% <ø> (+88.56%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmcls/datasets/transforms/compose.py
mmcls/models/backbones/deit3.py	94.52% <0.00%> (ø)
mmcls/structures/utils.py	77.77% <0.00%> (ø)
mmcls/models/utils/norm.py	80.00% <0.00%> (ø)
mmcls/utils/progress.py	66.66% <0.00%> (ø)
mmcls/apis/model.py	78.02% <0.00%> (ø)
mmcls/models/backbones/edgenext.py	95.20% <0.00%> (ø)
mmcls/models/classifiers/hugging_face.py	25.64% <0.00%> (ø)
mmcls/models/backbones/beit.py	57.06% <0.00%> (ø)
mmcls/models/retrievers/image2image.py	90.90% <0.00%> (ø)
... and 152 more

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[yingfhu]

LGTM