docs: run Ruby ActiveRecord sample on emulator

[olavloite]

Run the Ruby ActiveRecord sample on the emulator.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0e2b459) 90.86% compared to head (7a52aba) 90.86%.

Additional details and impacted files

@@                  Coverage Diff                  @@
##             postgresql-dialect    #1433   +/-   ##
=====================================================
  Coverage                 90.86%   90.86%           
  Complexity                 2658     2658           
=====================================================
  Files                       141      141           
  Lines                      9063     9063           
  Branches                   1323     1323           
=====================================================
  Hits                       8235     8235           
  Misses                      555      555           
  Partials                    273      273           

Flag	Coverage Δ
all_tests	90.86% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

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