Load a project-wide spec file
ys_load_proj(file)
load_spec_proj(...)
file <- file_proj_ex()
spec <- ys_load_proj(file)
spec
#> projectnumber: ABC101104F
#> sponsor: ABC-Pharma
#> --------------------------------------------
#> datafiles:
#> name description data_stem
#> DEM104101F_PK Population PK analysis data set DEM104101F_PK
#> DEM104101F_PKPD Population PKPD analysis data set DEM104101F_PKPD
#> DEM104101F_AE AE analysis data set DEM0104101F_AE_2