[draft] IMAP protocol parser and logger

[glongo]

IMAP commands, email headers, and body are parsed; the JSON schema still needs to be defined.
After that, I can proceed with a PR.

[github-actions]

NOTE: This PR may contain new authors.

[codecov]

Codecov Report

❌ Patch coverage is 59.59210% with 634 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.01%. Comparing base (2cf9a32) to head (5f9bcbd).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14722      +/-   ##
==========================================
- Coverage   82.14%   82.01%   -0.14%     
==========================================
  Files        1007     1009       +2     
  Lines      263194   264729    +1535     
==========================================
+ Hits       216210   217118     +908     
- Misses      46984    47611     +627     

Flag	Coverage Δ
fuzzcorpus	59.82% <4.47%> (-0.38%)	⬇️
livemode	18.66% <4.47%> (-0.22%)	⬇️
pcap	44.37% <9.04%> (-0.23%)	⬇️
suricata-verify	64.97% <9.23%> (-0.39%)	⬇️
unittests	59.35% <59.11%> (-0.01%)	⬇️

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[suricata-qa]

Information: QA ran without warnings.

Pipeline = 29347

[catenacyber]

Looks cool.

What about keywords ?

[glongo]

Looks cool.

What about keywords ?

I'll implement them after the JSON schema is defined.

[catenacyber]

Ok, do you have some SV tests where we can see the logging ?