feat(log): add global logger appliance, as process level default logger

[realityone]

Description (what this PR does / why we need it):

Add global logger appliance, make logging in independence function easily.

Which issue(s) this PR fixes (resolves / be part of):

fixes #

Other special notes for reviewer:

[codecov-commenter]

Codecov Report

Merging #1761 (2c10e85) into main (8c9e70b) will decrease coverage by 0.01%.
The diff coverage is 43.63%.

@@            Coverage Diff             @@
##             main    #1761      +/-   ##
==========================================
- Coverage   81.16%   81.15%   -0.02%     
==========================================
  Files          78       79       +1     
  Lines        3420     3528     +108     
==========================================
+ Hits         2776     2863      +87     
- Misses        442      460      +18     
- Partials      202      205       +3     

Impacted Files	Coverage Δ
log/global.go	35.41% <35.41%> (ø)
app.go	83.49% <100.00%> (ø)
config/config.go	55.84% <100.00%> (ø)
middleware/recovery/recovery.go	100.00% <100.00%> (ø)
transport/grpc/resolver/discovery/builder.go	85.10% <100.00%> (ø)
transport/grpc/server.go	93.33% <100.00%> (+1.25%)	⬆️
transport/http/resolver.go	64.00% <100.00%> (-4.00%)	⬇️
transport/http/server.go	77.41% <100.00%> (+2.41%)	⬆️
selector/node/ewma/node.go	83.87% <0.00%> (-3.23%)	⬇️
... and 12 more

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[shenqidebaozi]

LGTM