fix logo using srcset

Author: ammkrn

README.md

@@ -377,5 +377,9 @@ MCP_HTTP_MODE=true SOCKET_API_KEY=your_api_key_here node --experimental-strip-ty
 
 <br/>
 <div align="center">
-  <img width="324" height="108" alt="socket-logo-smallest2" src="https://github.com/user-attachments/assets/490ff7fb-015e-48c6-9ba2-56139c851719" />
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="logo-white.png">
+    <source media="(prefers-color-scheme: light)" srcset="logo-black.png">
+    <img width="324" height="108" alt="Socket Logo" src="logo-black.png">
+  </picture>
 </div>