fix(settings): set default tokenizer to avoid running make setup fail (…

…#1709)

settings.yaml

@@ -39,6 +39,7 @@ llm:
   # Should be matching the selected model
   max_new_tokens: 512
   context_window: 3900
+  tokenizer: mistralai/Mistral-7B-Instruct-v0.2
   temperature: 0.1      # The temperature of the model. Increasing the temperature will make the model answer more creatively. A value of 0.1 would be more factual. (Default: 0.1)
 
 llamacpp: