Document v1.0.0 release

README.md

@@ -1,5 +1,7 @@
 # mem0-python-server 🧠
 
+**Version:** v1.0.0
+
 A focused FastAPI wrapper around [mem0](https://github.com/mem0ai/mem0) that provides persistent memory over a REST API for OpenClaw and related pipelines.
 
 ## Highlights ✨