Remove kicad 5.x files.

Updates with all the routing and moving to kicad 6.0

Almost fully routed.. lots of DRC's to sort out. Also need to get correct pcb parameters to do more checks.

Updates as we do routing. Changed discrete jumpres to a 2x4 block and 2x3 block, 2mm pitch. Started routing each tranciever block

Added some footprints and started to look at layout

Adding some LED stuff.

Updated with the ttl output Adding a lot of footprints and other bits. Changed TVS on USB Added fuse on USB 5V TTL level translators, 2x. Go from 3v3 to 1v8, then "anything" to 1v8 for the output. 2x LDO for 3v3->1v8, 3v3->2v5 Plus allow external input.

Remove wrong cache

Lib

USB and FTDI chip