Add example to readme

[jClugstor]

Checklist

• Appropriate tests were added
• Any code changes were done in a way that does not break public API
• All documentation related to code changes were updated
• The new code follows the
  contributor guidelines, in particular the SciML Style Guide and
  COLPRAC.
• Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.38%. Comparing base (b9a7a62) to head (c55e1ea).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #18   +/-   ##
=======================================
  Coverage   94.38%   94.38%           
=======================================
  Files           4        4           
  Lines          89       89           
=======================================
  Hits           84       84           
  Misses          5        5           

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[ChrisRackauckas]

It would be good to make this a tutorial in the documentation as well.