iso3 code removed from adm0 files

[zackarno]

Don't know if the iso3 code was removed on purpose. But i think I had added it in at some poin, but now it's not appearing?

box::use(./src/utils/get_iso3_sf)
sf_adm <- get_iso3_sf$get_iso3_sf(iso3="AFG",file = "adm0")
sf_adm

Simple feature collection with 1 feature and 1 field
Geometry type: POLYGON
Dimension:     XY
Bounding box:  xmin: 60.47198 ymin: 29.37707 xmax: 74.88956 ymax: 38.49084
Geodetic CRS:  WGS 84
  boundary_source                       geometry
1 FieldMaps, OCHA POLYGON ((62.34993 29.41509...

Think having it in can only be useful

[caldwellst]

Yeah makes sense to include!