added name & description text for every PCB layer added defined track widths (0.25mm to 3mm) & via sizes (0.3/0.6mm & 0.5/0.9mm)

added PCB outline for board size 150mm x 100mm with 1.5mm margin changed board setup and design rules etc... ...changed board type to 4-layer, components both sides, removed Adhesive layers ...set minimum track width/spacing 0.25mm, min via drill/diameter 0.30/0.60mm ...changed all silk/other laters to 0.12mm line thickness, copper to 0.25mm ...changed to require courtyard definitions in footprints ...changed minimum hole to hole to 0.50mm, some web searches say 0.25mm but to be safe ...changed solder mask clearance to 0.065mm, minimum width to 0.10mm as per NCAB DFM best annotated-netlisted and roughly placed M3 Holes in design after last commit changes set origin point, auxiliary axis, and layer alignment target at PCB bottom-left

updated library to latest, updated titleblocks and dates

changed titleblock filename added/modified default page setup for new titleblock updated to latest library submodule to get latest titleblock

set default Schematic/BOM revision to '1A' set default PCB/Layout revision to '1.0'

added latest Schematic & PCB Titleblock test titleblocks as default

moved KiCAD files one directory up... ...(removed PTXXXX_boardname directory which I didn't realise KiCAD had made