made a query rewritting chain

rag_app/chains/__init__.py

@@ -1 +1,2 @@
-from rag_app.chains.user_response_sentiment_chain import user_response_sentiment_prompt
+from rag_app.chains.user_response_sentiment_chain import user_response_sentiment_prompt
+from rag_app.chains.query_rewritten_chain import query_rewritting_prompt

rag_app/chains/query_rewritten_chain.py

@@ -0,0 +1,16 @@
+from langchain_core.prompts import PromptTemplate
+
+
+query_rewritting_template = """ 
+You will be given a query from a user
+=================
+{user_query} 
+====================
+
+You must improve the query to optimize the result
+  
+
+"""
+
+query_rewritting_prompt = PromptTemplate.from_template(query_rewritting_template)
+