Add BBSplit stats to MultiQC in fastq_qc_trim_filter_setstrandedness subworkflow (#9559)

Add BBSplit stats to MultiQC files in fastq_qc_trim_filter_setstrandedness

Pass BBSplit stats output to MultiQC for visualization of read binning
statistics. MultiQC 1.33+ includes support for parsing BBSplit stats.txt
files and displaying per-sample read distribution across reference genomes.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.5 <[email protected]>

Author: 2 people

subworkflows/nf-core/fastq_qc_trim_filter_setstrandedness/main.nf

@@ -257,6 +257,7 @@ workflow FASTQ_QC_TRIM_FILTER_SETSTRANDEDNESS {
         BBMAP_BBSPLIT.out.primary_fastq.set { ch_filtered_reads }
 
         ch_versions = ch_versions.mix(BBMAP_BBSPLIT.out.versions.first())
+        ch_multiqc_files = ch_multiqc_files.mix(BBMAP_BBSPLIT.out.stats)
 
         if (!skip_linting) {
             FQ_LINT_AFTER_BBSPLIT(