Add Claude Agent SDK migration cookbook (#2671)

Author: anshgupta-oai

authors.yaml

@@ -603,8 +603,12 @@ PASFIELD-OAI:
   website: "https://github.com/PASFIELD-OAI"
   avatar: "https://avatars.githubusercontent.com/u/276116382?v=4"
 
-
 shreekant-openai:
   name: "Shreekant Agrawal"
   website: "https://www.linkedin.com/in/shreeagrawal/"
   avatar: "https://avatars.githubusercontent.com/u/263776704?v=4"
+
+anshgupta-oai:
+  name: "Ansh Gupta"
+  website: "https://github.com/anshgupta-oai"
+  avatar: "https://avatars.githubusercontent.com/u/269039830?v=4"