deletes calcs.h and calc.cpp (along with a lil overhead still leftover from that)
uses the macros that already existed for CAN msg IDs in send functions
implement ROS styling (at least bare minimum acceptable levels) to both shepherd and NERduino submodule
tbh trying to do NERduino stuff parallelly got fucky so idek if it will show up as part of this or if ill need a PR on NERduino
repo as well but im pretty sure I got it to a state that it works so
this PR addresses a number of tech debt stuff: