LiFePO4 14500 power: change the sense resistor to a larger 2W one

LiFePO4 14500 power: add README and two rendered images

LiFePO4 14500 power: make text on back bigger

LiFePO4 14500 power: tweak schematic, add PDF of it

LiFePO4 14500 power: tweak PCB, add patches on back connected with vias to help carry current

LiFePO4 14500 power: Fix 3D models for the MOSFETs

LiFePO4 14500 power: Add 3D model for inductor

LiFePO4 14500 power: big rearrangement using two separate MOSFETs

LiFePO4 14500 power: connect SDA and SCL lines between the two QWIIC connectors

LiFePO4 14500 power: fix model paths, use ${HOME}