support configuring default logger

[abom]

Description

Allow enabling/disabling default loguru stderr handler and setting its level.

Changes

• Add default config for default logger
• Re-add default handler with the new level

Related Issues

None

Checklist

• Pre-commit hook is installed to do formatting checks before committing code...etc
• Tests included
• Build pass
• Documentation
• Code format and docstrings

[codecov-commenter]

Codecov Report

Merging #589 (b1b514e) into development (ab86c5a) will decrease coverage by 1.11%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           development     #589      +/-   ##
===============================================
- Coverage        70.76%   69.64%   -1.12%     
===============================================
  Files               91       84       -7     
  Lines             4693     4283     -410     
===============================================
- Hits              3321     2983     -338     
+ Misses            1372     1300      -72     

Impacted Files	Coverage Δ
jumpscale/core/config/config.py	93.33% <ø> (ø)
jumpscale/core/logging/__init__.py	100.00% <100.00%> (ø)
jumpscale/core/logging/logging.py	93.29% <100.00%> (-1.06%)	⬇️
jumpscale/clients/redis/redis.py	85.71% <0.00%> (-2.86%)	⬇️
jumpscale/core/base/meta.py	92.18% <0.00%> (-0.79%)	⬇️
jumpscale/core/base/factory.py	92.14% <0.00%> (-0.53%)	⬇️
jumpscale/sals/fs/__init__.py	62.39% <0.00%> (-0.42%)	⬇️
jumpscale/tools/codeloader/__init__.py
jumpscale/servers/gedis/server.py
... and 7 more

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