export HACK_ASSEMBLER=../hack-assembler/bin/assembler
export VM_TRANSLATOR=../vm-translator/bin/translator
export JACK_COMPILER=../jack-compiler/bin/compile_vm
export HACK_JS=../hack-js/bin/run

Add shell script to setup ENV vars for Makefile
Add shell script to setup ENV vars for Makefile

Assumes you've checked out all our implementations of Jack/Hack stuff to a sibling of this repo.
