Add second currency example

[eileenmcnaughton]

Overview

This is the small part of #23870 that adds a second currency example

After

• Extra examples are available - CAD
  

[civibot]

(Standard links)

• If this is your first pull-request for CiviCRM, please browse CONTRIBUTING.md for information about the development and testing processes.
• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).

[totten]

Tried it out locally. The example loaded 👍 but I thought the title was confusing. (Same title on both examples.) Pushed a tweak. Merge on pass.

[eileenmcnaughton]

Ug - that currency breakage was my last commit - because I wanted to pull the currency out of the ts() - but obviously a bit too much copy & paste