SMQ-3338 - Add created at period filter to entities

[felixgateru]

What type of PR is this?

This is a feature because it adds the ability to filter etity listing by period in which they were created

What does this do?

This pr:

• adds created_from and created_to query parameters to entities listing
• updates tests for these changes
• updates docs for these changes

Which issue(s) does this PR fix/relate to?

• Resolves Feature: Add filtering entities based on a period e.g., entities created between period1 and period2 #3338

Have you included tests for your changes?

Yes, tests have been updated

Did you document any new/modified feature?

yes, api docs are updated

Notes

[codecov]

Codecov Report

❌ Patch coverage is 98.30508% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.11%. Comparing base (20bafe0) to head (7fbda9f).

Files with missing lines	Patch %	Lines
groups/api/http/decode.go	86.66%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3339      +/-   ##
==========================================
+ Coverage   74.83%   79.11%   +4.28%     
==========================================
  Files         160      141      -19     
  Lines       18890    18287     -603     
==========================================
+ Hits        14136    14468     +332     
+ Misses       3904     2916     -988     
- Partials      850      903      +53     

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[dborovcanin]

@felixgateru Please rebase.

[dborovcanin]

@nyagamunene Please review.