Add a README to the scripts.
Add a README to the scripts.


Former-commit-id: ea5064af9272fb5aa8c59afb553bc7213649d52d
guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt