Add Zenodo DOI badge for SCD paper discoverability

Author: MirrorDNA-Reflection-Protocol

README.md

@@ -2,6 +2,7 @@
 
 **The foundational protocol for AI identity, continuity, and state integrity**
 
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.17787619.svg)](https://doi.org/10.5281/zenodo.17787619)
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 [![Active MirrorOS](https://img.shields.io/badge/Active_MirrorOS-Protocol-10b981)](https://activemirror.ai)
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