Update API URL to Render deployment

dashboard.py

@@ -5,7 +5,7 @@ from datetime import datetime
 st.set_page_config(page_title="FYP Dashboard", layout="wide")
 st.title("🚀 Multi-Agent Knowledge System Dashboard")
 
-api_url = "http://localhost:8000"
+api_url = "https://fyp1-api.onrender.com"
 
 st.header("📊 Metrics")
 col1, col2, col3, col4 = st.columns(4)