feat: add loguru for logging

[s0nicboOm]

Support logging with Loguru library. Link: https://github.com/Delgan/loguru

[codecov-commenter]

Codecov Report

Merging #143 (d425e7f) into main (a40fea5) will decrease coverage by 0.87%. The diff coverage is 72.48%.

@@            Coverage Diff             @@
##             main     #143      +/-   ##
==========================================
- Coverage   82.64%   81.78%   -0.87%     
==========================================
  Files          20       20              
  Lines        1141     1131      -10     
  Branches      116      117       +1     
==========================================
- Hits          943      925      -18     
- Misses        176      184       +8     
  Partials       22       22              

Impacted Files	Coverage Δ
numaprom/clients/redis.py	0.00% <0.00%> (ø)
numaprom/watcher.py	66.66% <40.00%> (-0.29%)	:arrow_down:
numaprom/udsink/train.py	52.38% <46.15%> (-0.90%)	:arrow_down:
numaprom/__init__.py	60.60% <57.14%> (-23.40%)	:arrow_down:
numaprom/clients/prometheus.py	65.71% <60.00%> (-0.49%)	:arrow_down:
numaprom/udsink/train_rollout.py	85.12% <66.66%> (-0.13%)	:arrow_down:
numaprom/tools.py	92.62% <75.00%> (-0.12%)	:arrow_down:
numaprom/udf/preprocess.py	88.88% <85.71%> (-0.48%)	:arrow_down:
numaprom/udf/threshold.py	91.52% <87.50%> (-0.28%)	:arrow_down:
numaprom/udf/window.py	94.82% <87.50%> (-0.09%)	:arrow_down:
... and 6 more

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[s0nicboOm]

Where are we setting the log format? formatter: formatter = "<green>{time:YYYY-MM-DD HH:mm:ss.SSS}</green> | <level>{level: <8}</level> |{message}"`

[s0nicboOm]

Where are we setting the log format? formatter: formatter = "<green>{time:YYYY-MM-DD HH:mm:ss.SSS}</green> | <level>{level: <8}</level> |{message}"`

Different logs also have different colors: