Update backend url

main.py

@@ -67,9 +67,9 @@ class HealthcareChatbot:
         self.endpoints_documentation = endpoints_documentation
         self.ollama_base_url = "http://localhost:11434"
         self.model_name = "gemma3"
-        self.BASE_URL = 'https://fcc0-197-54-54-66.ngrok-free.app'
+        self.BASE_URL = 'https://4646-197-54-54-66.ngrok-free.app'
         self.headers = {'Content-type': 'application/json'}
-        self.user_id = 'e78c100b-f46d-4843-aa3b-d48a6757aa85'
+        self.user_id = '81236d27-e4e3-48e2-8bc0-a48958013c9c'
         self.max_retries = 3
         self.retry_delay = 2