Updated .dockerignore.

/etl/credentials/db_credentials*.yml

/etl/stg/archive/*

/etl/prs/fits/cubes/*

/etl/prs/fits/moments/*

/etl/prs/fits/ratios/*

/etl/prs/fits/grids/*

/etl/mdl/radmc_files/*

/etl/mdl/scratches/*

 No newline at end of file