Fixes and improvement for 0.1.8

[lamhoangtung]

This contain various fixes and improvement for the next release (0.1.8) of MLChain.

• Strip down dependencies to avoid issue like ImportError: cannot import name 'InvalidDataError' from 'hyperframe.exceptions' #7
• Introduce more unittest to test more feature and increase code coverage check (it's around 50% now) Increase code coverage for testing #8
• Detach image from base64, compress HTML template to reduce web code footprint Compress Swagger HTML for smaller web asset footprint #9
• Fixed an issue when MLChain fail to parse the workers config for gunicorn and hypercorn
• Remove torch set thread from mlchain warper since that is practically useless
• Remove dead code, assest, unnecessary warning
• Better long description for PyPI README

[codecov-commenter]

Codecov Report

Merging #11 into master will increase coverage by 28.02%.
The diff coverage is 65.21%.

@@             Coverage Diff             @@
##           master      #11       +/-   ##
===========================================
+ Coverage   21.42%   49.44%   +28.02%     
===========================================
  Files          46       44        -2     
  Lines        3622     3610       -12     
===========================================
+ Hits          776     1785     +1009     
+ Misses       2846     1825     -1021     

Impacted Files	Coverage Δ
mlchain/config.py	52.71% <40.00%> (+11.76%)	⬆️
mlchain/cli/run.py	65.28% <50.00%> (+65.28%)	⬆️
mlchain/cli/main.py	93.33% <80.00%> (+93.33%)	⬆️
mlchain/__init__.py	100.00% <100.00%> (+6.25%)	⬆️
mlchain/cli/init.py	84.61% <100.00%> (+84.61%)	⬆️
mlchain/client/__init__.py	48.78% <100.00%> (+29.73%)	⬆️
mlchain/__main__.py
mlchain/server/grpc_server.py	35.08% <0.00%> (+3.50%)	⬆️
mlchain/workflows/pipeline.py	25.20% <0.00%> (+8.13%)	⬆️
mlchain/server/quart_server.py	25.93% <0.00%> (+10.15%)	⬆️
... and 26 more

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