Fix the layer names in the 'zip' target
drwxr-xr-x - Datasheets
-rw-r--r-- 1852 Makefile
-rw-r--r-- 60 attribs
-rw-r--r-- 125 gafrc
drwxr-xr-x - packages
-rw-r--r-- 434 project
drwxr-xr-x - symbols
-rw-r--r-- 113379 telefire.pcb
-rw-r--r-- 54663 telefire.sch