.gitignore: add resources directory
.gitignore: add resources directory

This directory is necessary when running dtests against a scylla
repository.

Signed-off-by: Botond Dénes <a584fa4d75a0a85d721f44fb6e06315a2853b0b6@scylladb.com>
Message-Id: <8d9ad8dae2b9d2ec3cc6c9c4d6527fba8ce91272.1529387008.git.a584fa4d75a0a85d721f44fb6e06315a2853b0b6@scylladb.com>

scylladb/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla,duarten/scylla,avikivity/scylla,duarten/scylla,avikivity/scylla,avikivity/scylla