Update json endpoint

back-end/src/router/hello_world.py

@@ -1,6 +1,6 @@
 from fastapi import APIRouter
 from fastapi.responses import StreamingResponse
-from src.generators import conversation_streamer
+from src.generators import conversation_streamer, json_streamer
 
 
 router = APIRouter()
@@ -19,6 +19,7 @@ async def talk():
 
 
 @router.get("/json")
-async def json_streamer():
-    # Your solution here
-    pass
+async def json():
+    return StreamingResponse(
+        content=json_streamer(), media_type="text/event-stream"
+    )