message: docs: add --input-dataset to make cmd work without virus_properties.json
diff: @@ -191,6 +191,7 @@ nextclade run --help
  nextclade \
  --in-order \
  --input-fasta data/sars-cov-2/sequences.fasta \
  + --input-dataset data/sars-cov-2 \
  --input-root-seq data/sars-cov-2/reference.fasta \
  --genes E,M,N,ORF1a,ORF1b,ORF3a,ORF6,ORF7a,ORF7b,ORF8,ORF9b,S \
  --input-gene-map data/sars-cov-2/genemap.gff \
  