docs: adding docs to Request object

[leandrodamascena]

Issue number: closes #8091

Summary

Add docs

Changes

Please provide a summary of what's being changed

User experience

Please share what the user experience looks like before and after this change

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.73%. Comparing base (a26d64b) to head (3c911f5).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #8105   +/-   ##
========================================
  Coverage    96.73%   96.73%           
========================================
  Files          283      283           
  Lines        14017    14017           
  Branches      1141     1141           
========================================
  Hits         13560    13560           
  Misses         331      331           
  Partials       126      126           

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