Add a lamina to the project space
Examples
tmp <- fs::dir_create(fs::file_temp())
result_stratum_path <- build_stratum("my_stratum_name", tmp)
result_lamina_path <- build_lamina("my_lamina_name", result_stratum_path)
result_lamina_path
#> /tmp/Rtmpxznacg/file1f7a59ae7f28/strata/my_stratum_name/my_lamina_name
fs::dir_delete(tmp)