Add Elydora logo to README header

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -1,5 +1,7 @@
 <div align="center">
 
+<img src="assets/logo.svg" alt="Elydora Logo" width="128" height="128" />
+
 # Elydora
 
 **The Responsibility Layer for AI Agents**

assets/logo.svg

@@ -0,0 +1,4 @@
+<svg width="128" height="128" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <rect width="32" height="32" rx="7" fill="#121212"/>
+  <path d="M9 8H23V12H13V14H19V18H13V20H23V24H9Z" fill="#EAEAE5"/>
+</svg>