Rate limit group example

[pdabelf5]

Proposed changes

Add example demonstrating the tiered rate limit with JWT claim functionality

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.10%. Comparing base (ee2e225) to head (64e40ff).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7393      +/-   ##
==========================================
+ Coverage   52.83%   53.10%   +0.27%     
==========================================
  Files          89       89              
  Lines       20922    21074     +152     
==========================================
+ Hits        11054    11192     +138     
- Misses       9405     9419      +14     
  Partials      463      463              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.