Merge branch 'test_stand_updates' merges !78

.gitignore

...lie_hardware/sd_test_stand/gerbers/sd_test_stand-B_Cu.gbr

...e_hardware/sd_test_stand/gerbers/sd_test_stand-B_Mask.gbr

..._hardware/sd_test_stand/gerbers/sd_test_stand-B_Paste.gbr

...ware/sd_test_stand/gerbers/sd_test_stand-B_Silkscreen.gbr

...ardware/sd_test_stand/gerbers/sd_test_stand-Edge_Cuts.gbr

...lie_hardware/sd_test_stand/gerbers/sd_test_stand-F_Cu.gbr

...e_hardware/sd_test_stand/gerbers/sd_test_stand-F_Mask.gbr

..._hardware/sd_test_stand/gerbers/sd_test_stand-F_Paste.gbr

...ware/sd_test_stand/gerbers/sd_test_stand-F_Silkscreen.gbr

...lie_hardware/sd_test_stand/gerbers/sd_test_stand-NPTH.drl

...flie_hardware/sd_test_stand/gerbers/sd_test_stand-PTH.drl

...lie_hardware/sd_test_stand/gerbers/test_stand_gerbers.zip

crazyflie_hardware/sd_test_stand/sd_test_stand.kicad_pcb

...re/sd_test_stand_nano/Gerbers/sd_test_stand_nano-B_Cu.gbr

.../sd_test_stand_nano/Gerbers/sd_test_stand_nano-B_Mask.gbr

...sd_test_stand_nano/Gerbers/sd_test_stand_nano-B_Paste.gbr

...st_stand_nano/Gerbers/sd_test_stand_nano-B_Silkscreen.gbr

..._test_stand_nano/Gerbers/sd_test_stand_nano-Edge_Cuts.gbr

...re/sd_test_stand_nano/Gerbers/sd_test_stand_nano-F_Cu.gbr