Feature: Add option to handle developer logs separately

[cortadocodes]

Minor fixes and improvements

• Add a package-level logger
• Add --show-twined-logs option to CLI so developers can also see logs from the SDK
• Move handler argument from Runner.run to Runner constructor
• Make log format more human readable

Quality Checklist

• New features are fully tested (No matter how much Coverage Karma you have)

[codecov-io]

Codecov Report

Merging #78 (86788c8) into release/0.1.8 (b273b5b) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@                Coverage Diff                @@
##           release/0.1.8      #78      +/-   ##
=================================================
+ Coverage          96.30%   96.34%   +0.04%     
=================================================
  Files                 40       40              
  Lines                839      849      +10     
=================================================
+ Hits                 808      818      +10     
  Misses                31       31              

Impacted Files	Coverage Δ
octue/__init__.py	100.00% <100.00%> (ø)
octue/cli.py	95.45% <100.00%> (+0.21%)	⬆️
octue/logging_handlers.py	100.00% <100.00%> (ø)
octue/runner.py	92.00% <100.00%> (-0.50%)	⬇️

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