cscli hub: refact/split files; add some doc/examples

[mmetc]

No description provided.

[github-actions]

@mmetc: There are no 'kind' label on this PR. You need a 'kind' label to generate the release automatically.

• /kind feature
• /kind enhancement
• /kind refactoring
• /kind fix
• /kind chore
• /kind dependencies

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[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

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[codecov]

Codecov Report

Attention: Patch coverage is 83.34794% with 190 lines in your changes missing coverage. Please review.

Project coverage is 59.02%. Comparing base (5c7b957) to head (6a9832c).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
cmd/crowdsec-cli/cliitem/cmdinspect.go	36.90%	95 Missing and 11 partials ⚠️
cmd/crowdsec-cli/cliitem/hubappsec.go	87.16%	28 Missing and 1 partial ⚠️
cmd/crowdsec-cli/cliitem/cmdinstall.go	73.52%	23 Missing and 4 partials ⚠️
cmd/crowdsec-cli/cliitem/cmdremove.go	85.14%	10 Missing and 5 partials ⚠️
cmd/crowdsec-cli/cliitem/cmdupgrade.go	83.09%	8 Missing and 4 partials ⚠️
cmd/crowdsec-cli/cliitem/item.go	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3394      +/-   ##
==========================================
+ Coverage   58.51%   59.02%   +0.50%     
==========================================
  Files         356      358       +2     
  Lines       38226    38676     +450     
==========================================
+ Hits        22369    22827     +458     
+ Misses      13929    13923       -6     
+ Partials     1928     1926       -2     

Flag	Coverage Δ
bats	42.22% <83.34%> (+0.69%)	⬆️
unit-linux	32.69% <0.00%> (-0.41%)	⬇️
unit-windows	28.07% <0.00%> (-0.35%)	⬇️

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