Make a public data set, pipeline, CSV, job file, etc

[bethac07]

Could probably be based on BBBC022/AdvancedSeg.

[ErinWeisbart]

create examples folder. point to a public dataset (use cellpainting-gallery). add a pipeline, CSV, job file etc that references the public dataset.

[ErinWeisbart]

Added minimal example without needing to point to public datasets so we don't have to worry about confusing permissions in #142 .