Add InceptionNeXt and MobileViTV2 and change naming of MobileNet*V2 and MobileNet*V3

[james77777778]

Related to #2

Change naming:

• MobileNet*V2 to MobileNetV2W*
• MobileNet*V3 to MobileNetV3W*

W means width multiplier

[codecov]

Codecov Report

Attention: 22 lines in your changes are missing coverage. Please review.

Comparison is base (1066b55) 88.05% compared to head (d9553e3) 87.88%.

Files	Patch %	Lines
kimm/models/mobilevit.py	90.74%	15 Missing ⚠️
kimm/models/inception_next.py	93.85%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #30      +/-   ##
==========================================
- Coverage   88.05%   87.88%   -0.18%     
==========================================
  Files          27       28       +1     
  Lines        2378     2650     +272     
==========================================
+ Hits         2094     2329     +235     
- Misses        284      321      +37     

Flag	Coverage Δ
kimm	87.88% <92.61%> (-0.18%)	⬇️
kimm-jax	86.79% <92.61%> (+0.08%)	⬆️
kimm-numpy	86.52% <92.61%> (+0.11%)	⬆️
kimm-tensorflow	87.35% <89.93%> (-0.45%)	⬇️
kimm-torch	86.79% <92.61%> (+0.08%)	⬆️

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