Doc detect integer units 7190 v2

[catenacyber]

Link to ticket: https://redmine.openinfosecfoundation.org/issues/
https://redmine.openinfosecfoundation.org/issues/7190
https://redmine.openinfosecfoundation.org/issues/7869

Describe changes:

• detect/integers: document usage of units
• detect/integers: support kibibyte unit

#13749 with second commit for redmine 7869

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.73%. Comparing base (49629f7) to head (00debdb).
⚠️ Report is 12 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #13757       +/-   ##
===========================================
+ Coverage   77.16%   83.73%    +6.56%     
===========================================
  Files         945     1011       +66     
  Lines      172228   275069   +102841     
===========================================
+ Hits       132906   230338    +97432     
- Misses      39322    44731     +5409     

Flag	Coverage Δ
fuzzcorpus	62.94% <100.00%> (+<0.01%)	⬆️
livemode	19.01% <100.00%> (+0.01%)	⬆️
pcap	44.72% <100.00%> (+0.04%)	⬆️
suricata-verify	65.09% <100.00%> (+0.02%)	⬆️
unittests	59.18% <100.00%> (?)

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[suricata-qa]

WARNING:

field	baseline	test	%
	SURI_TLPR1_stats_chk
.uptime	648	623	96.14%

Pipeline = 27261

[victorjulien]

Merged in #13767, thanks!