Dataset GIS20

Add config files for GIS20 dataset

/mnt/lscratch/users/claczny/ont/gis20/results/basecalled/merged/gis20.fastq.gz
/mnt/lscratch/users/claczny/ont/gis20/data/raw/short_reads/GIS20_R1_001.fastq.gz
/mnt/lscratch/users/claczny/ont/gis20/data/raw/short_reads/GIS20_R2_001.fastq.gz