docs: add citation for White et al. 2025 Nat Commun

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: jayhesselberth

docs/index.md

@@ -139,7 +139,7 @@ Downstream analysis to generate figures for the initial preprint can be found at
 
 If you use this pipeline, please cite:
 
-> [Citation pending publication]
+> White LK, Radakovic A, Sajek MP, Dobson K, Riemondy KA, Del Pozo S, Szostak JW, Hesselberth JR. Nanopore sequencing of intact aminoacylated tRNAs. *Nat Commun.* 2025;16:7781. doi:[10.1038/s41467-025-62545-9](https://doi.org/10.1038/s41467-025-62545-9)
 
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