chore(aurelia): add toggle subtitle to all Aurelia examples

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.0%. Comparing base (4b560e3) to head (f342986).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1986   +/-   ##
=======================================
  Coverage   100.0%   100.0%           
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  Files         195      195           
  Lines       35921    35921           
  Branches    10648    10648           
=======================================
  Hits        35921    35921           

Flag	Coverage Δ
angular	100.0% <ø> (ø)
universal	100.0% <ø> (ø)

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