Add UTR data from Montañés et al. as GFF as a test

Refs pombase/website#1441

website/jbrowse_track_metadata.csv

@@ -334,3 +334,5 @@ Transcripts,yes,yes,Transcripts during oxidative stress – Blevins (2019),,,CBS
 Intron-related,yes,yes,Novel introns – Bitton et al. (2015),,,,not applicable,not applicable,,,,RNA-Seq,Bitton,2015,25883323,,,,Identification of unnanotated introns in RNA-seq data from 116 samples of various genotypes and growth phases,bed,https://www.pombase.org/external_datasets/Bitton_2015_PMID_25883323_introns/PMID_25883323_Supplemental_Tables-S12.sorted.bed.gz
 Transcripts,yes,yes,Novel isoforms – Montañés et al. (2022),,,CBS5682,WT,not applicable,"YPD, standard temperature",vegetative growth,,direct RNA-seq,Montañés,2022,35618415,BioProject,PRJNA791394,,,GFF,https://www.pombase.org/external_datasets/Montañés_2022_PMID_35618415/Spom_isoforms.sorted.gff.gz
 Transcripts,yes,yes,Novel transcripts – Montañés et al. (2022),,,CBS5682,WT,not applicable,"YPD, standard temperature",vegetative growth,,direct RNA-seq,Montañés,2022,35618415,BioProject,PRJNA791394,,,GFF,https://www.pombase.org/external_datasets/Montañés_2022_PMID_35618415/Spom_novel_transcripts.sorted.gff.gz
+Transcripts,yes,yes,5 prime UTRs  – Montañés et al. (2022),,,CBS5682,WT,not applicable,"YPD, standard temperature",vegetative growth,,direct RNA-seq,Montañés,2022,35618415,BioProject,PRJNA791394,,,GFF,https://www.pombase.org/external_datasets/Montañés_2022_PMID_35618415/Spom_dRNA_5UTR_Stringtie.sorted.gff.gz
+Transcripts,yes,yes,3 prime UTRs  – Montañés et al. (2022),,,CBS5682,WT,not applicable,"YPD, standard temperature",vegetative growth,,direct RNA-seq,Montañés,2022,35618415,BioProject,PRJNA791394,,,GFF,https://www.pombase.org/external_datasets/Montañés_2022_PMID_35618415/Spom_dRNA_3UTR_Stringtie.sorted.gff.gz