add lib/pace/Install.py to automatically download the source files from github/ICAMS/lammps-user-pace; add lib/pace/CMakeLists.txt to build libpace.a add lib/pace/README update src/USER-PACE/Install.sh
This directory contains files required to use the USER-PACE package. You can type "make lib-pace" from the src directory to see help on how to download and build this library via make commands, or you can do the same thing by typing "python Install.py" from within this directory.