Add cell statistics diagnostics#725

Draft

jfrost-mo wants to merge 3 commits intomainfrom

329-add-cell_statistics-diagnostics

Commits on Feb 28, 2024

add cell statistics diagnostics and associated tests
zubair.maalick
committed
add test data
zubair.maalick
committed

Commits on Feb 29, 2024

Add license in diagnostics files
zubair.maalick
committed