readme's for _example's

[christopinka]

Is your feature request related to a problem? Please describe.
Would be great to have readme in _examples. Not generally a fan of comments but here would be useful.

Describe the solution you'd like
Things like steps to run, how it works, how to capture output, etc. Possibly with priority on high value examples (benchmarks).

Describe alternatives you've considered
na

Additional context
Really cool project. Examples are great value!