- atben/README-SMT, atusb/README-SMT: description for SMT fab files
- bom/Makefile (%-smt.csv, spotless): renamed *-smt.csv to *-bom.csv
- makefiles/Makefile.kicad (fab): split into "fab" (PCB and SMT) and
fab-pcb (previous "fab"; only PCB)
- makefiles/Makefile.kicad (fab-smt): added packaging process for SMT
fab files