refact cmd/crowdsec for clarity

[mmetc]

No description provided.

[github-actions]

@mmetc: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area appsec
• /area security
• /area configuration

Details

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[codecov]

Codecov Report

❌ Patch coverage is 53.09735% with 53 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.49%. Comparing base (65b7465) to head (e45bd57).

Files with missing lines	Patch %	Lines
cmd/crowdsec/serve.go	42.30%	13 Missing and 2 partials ⚠️
cmd/crowdsec/pour.go	15.38%	10 Missing and 1 partial ⚠️
cmd/crowdsec/parse.go	67.74%	6 Missing and 4 partials ⚠️
cmd/crowdsec/dump.go	33.33%	4 Missing and 4 partials ⚠️
cmd/crowdsec/output.go	64.28%	3 Missing and 2 partials ⚠️
cmd/crowdsec/crowdsec.go	60.00%	0 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4072      +/-   ##
==========================================
+ Coverage   62.81%   63.49%   +0.67%     
==========================================
  Files         464      447      -17     
  Lines       33272    32534     -738     
==========================================
- Hits        20901    20657     -244     
+ Misses      10247     9805     -442     
+ Partials     2124     2072      -52     

Flag	Coverage Δ
bats	46.15% <53.09%> (+0.02%)	⬆️
unit-linux	35.70% <0.00%> (+0.11%)	⬆️
unit-windows	?

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