Updated breakout silkscreen cleaned up the breakout silkscreen

fixed short on serial RX of tracksoar v2 fixed a short on the serial rx line that shorted it to ground due to a via. Updated silkscreen on the breakout board and named headers

updated shield template updated shield template to be a breakout board for all IO into .1" headers

added a library added the ava library

added gnd vias added ground vias to shorten ground paths for the ltc3426, backup battery

moved gnd via ground via for the backup cap was interferring with the GPS pads.

minor trace cleanup moved a few traces around for aesthetics.

Added gps backup cap added gps backup capacitor. Corrected serial voltage divider resistor values. Removed ground vias below gps module.

fixed 3v reg the 3v reg wiring was corrected and output cap moved closer to the regulator.

added buck regulator swapped the linear regulator for a buck converter.