Update README with DOI badge and formatting changes

Added DOI badge to the project title in README.

Author: sunshineluyao

README.md

@@ -2,9 +2,10 @@
 
 <img src="photo-wall/public/logo.png" alt="QSignAI Logo" width="120" />
 
-# ⚛️ QSignAI
+# ⚛️ QSignAI 
+![DOI](https://zenodo.org/badge/1235249780.svg)](https://doi.org/10.5281/zenodo.20392816)
 
-### Quantum-Randomness-Seeded Identity Signatures at the Intersection of AI for Science and Science for AI [![DOI](https://zenodo.org/badge/1235249780.svg)](https://doi.org/10.5281/zenodo.20392816)
+### Quantum-Randomness-Seeded Identity Signatures at the Intersection of AI for Science and Science for AI   
 
 <p>
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