add pangolin to workflow about porecov

[replikation]

module infos:

• one fasta per process
• generates a csv file called lineage_report.csv

command:

for file in */*.fasta; do pangolin -t 8 $file -o ${file%.*} ; done
# in nextflow
pangolin -t ${task.cpus} ${fasta}  

csv file:

taxon,lineage,SH-alrt,UFbootstrap,lineages_version,status,note
barcode12/ARTIC/medaka,B.1,100,100,2020-04-27,passed_qc,

• use collect file on this too and put the individual file to each assembly

docker:
nanozoo/pangolin:1.0.2--d4db9dd