Add missing providers

[ethanwharris]

What does this PR do?

Fixes # (issue)

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[codecov]

Codecov Report

Merging #674 (0ea0ee3) into master (8fca052) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #674      +/-   ##
==========================================
+ Coverage   89.64%   89.67%   +0.02%     
==========================================
  Files         192      192              
  Lines        9886     9905      +19     
==========================================
+ Hits         8862     8882      +20     
+ Misses       1024     1023       -1     

Flag	Coverage Δ
unittests	89.67% <100.00%> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
flash/audio/speech_recognition/backbone.py	100.00% <100.00%> (ø)
flash/core/registry.py	97.36% <100.00%> (+1.02%)	⬆️
flash/core/utilities/providers.py	100.00% <100.00%> (ø)
flash/image/classification/backbones/timm.py	100.00% <100.00%> (ø)
...lash/image/classification/backbones/torchvision.py	81.39% <100.00%> (+0.44%)	⬆️
...ash/image/classification/backbones/transformers.py	57.89% <100.00%> (-2.11%)	⬇️
flash/image/segmentation/backbones.py	100.00% <100.00%> (ø)
flash/image/segmentation/heads.py	95.65% <100.00%> (+0.19%)	⬆️
flash/image/style_transfer/backbones.py	100.00% <100.00%> (ø)
flash/pointcloud/detection/open3d_ml/backbones.py	86.53% <100.00%> (+0.26%)	⬆️
... and 3 more

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[tchaton]

Sick !