Install in this directory the basis set files you use regularly.
GAMESS US format is required.

Basis sets can be easily downloaded from the Basis Set Exchange Website
https://www.basissetexchange.org , or using the command-line tool they
provide.

The `install.sh` script proposed in this directory will try to download and
install the MolSSI-BSE / basis_set_exchange database, and provide a few common
basis sets.