Add Hugging Face Space configuration

README.md

@@ -1,4 +1,15 @@
-# AB Testing QA App
+---
+title: AB Testing RAG Agent
+emoji: 🤖
+colorFrom: blue
+colorTo: green
+sdk: docker
+sdk_version: 3.14
+app_port: 8501
+pinned: false
+---
+
+# AB Testing RAG Agent
 
 This application is a Streamlit-based frontend for an AB Testing QA system that uses a carefully designed retrieval-augmented generation (RAG) approach with a LangGraph architecture.