Update README.md

Rvirgenslane · web-flow · commit ecb12ea484fe · 2026-05-11T17:13:39.000-07:00
diff --git a/README.md b/README.md
@@ -5,6 +5,8 @@
 
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+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.20129460.svg)](https://doi.org/10.5281/zenodo.20129460)
+
 > For a guided introduction to the package, start with the **[vignette
 > suite](#vignettes)** below. The remainder of this README contains
 > extended worked examples and required project information.
