adding swahili salutations

app.py

@@ -37,6 +37,7 @@ def nishauri(question: str, conversation_history: list[str]):
     response = query_engine.query(question)
 
     background = ("The person who asked the question is a person living with HIV."
+                  " If the person says sasa or niaje, that is swahili slang for hello."
             " Recognize that they already have HIV and do not suggest that they have to get tested"
             " for HIV or take post-exposure prophylaxis, as that is not relevant, though their partners perhaps should."  
             " Do not suggest anything that is not relevant to someone who already has HIV."