feat: add clip_hg executor

[ZiniuYu]

No description provided.

[codecov]

Codecov Report

Merging #740 (99a974b) into main (5e06667) will increase coverage by 0.58%.
The diff coverage is 85.45%.

@@            Coverage Diff             @@
##             main     #740      +/-   ##
==========================================
+ Coverage   81.16%   81.74%   +0.58%     
==========================================
  Files          16       17       +1     
  Lines        1168     1271     +103     
==========================================
+ Hits          948     1039      +91     
- Misses        220      232      +12     

Flag	Coverage Δ
cas	81.74% <85.45%> (+0.58%)	⬆️

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Impacted Files	Coverage Δ
server/clip_server/model/model.py	62.16% <80.00%> (ø)
server/clip_server/executors/clip_hg.py	85.43% <85.43%> (ø)
client/clip_client/__init__.py	100.00% <100.00%> (ø)
server/clip_server/__init__.py	100.00% <100.00%> (ø)
client/clip_client/client.py	88.33% <0.00%> (+1.11%)	⬆️
server/clip_server/executors/helper.py	100.00% <0.00%> (+1.69%)	⬆️

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[numb3r3]

• add rank() endpoint
• add unittest
• add dependency of transformers into setup.py

[hanxiao]

what's the point of this PR? is it just for practicing how to implement executor? I don't see any business value from this

[numb3r3]

@hanxiao This PR is mainly developed for the community. If the users who already use (or finetune) the clip model from huggingface, then this PR can enable them to easily enjoy the power of jina.

[github-actions]

📝 Docs are deployed on https://ft-clip_hg--jina-docs.netlify.app 🎉