feat (RAG): Implement configurable search mode in RAGQueryConfig

Signed-off-by: Varsha Prasad Narsing <varshaprasad96@gmail.com>

docs/_static/llama-stack-spec.yaml

@@ -8072,6 +8072,7 @@ components:
         max_chunks:
           type: integer
           default: 5
+<<<<<<< HEAD
           description: Maximum number of chunks to retrieve.
         chunk_template:
           type: string
@@ -8086,6 +8087,10 @@ components:
             placeholders: {index} (1-based chunk ordinal), {chunk.content} (chunk
             content string), {metadata} (chunk metadata dict). Default: "Result {index}\nContent:
             {chunk.content}\nMetadata: {metadata}\n"
+=======
+        mode:
+          type: string
+>>>>>>> 1a0433d2 (feat (RAG): Implement configurable search mode in RAGQueryConfig)
       additionalProperties: false
       required:
         - query_generator_config