feat: browser search engine support

backend/config.py

@@ -76,8 +76,11 @@ WEBUI_NAME = os.environ.get("WEBUI_NAME", "Open WebUI")
 if WEBUI_NAME != "Open WebUI":
     WEBUI_NAME += " (Open WebUI)"
 
+WEBUI_URL = os.environ.get("WEBUI_URL", "http://localhost:3000")
+
 WEBUI_FAVICON_URL = "https://openwebui.com/favicon.png"
 
+
 ####################################
 # ENV (dev,test,prod)
 ####################################