add json output

app.py

@@ -11,7 +11,7 @@ def pipeline(video_url):
     video_id = video_url.split("?v=")[-1]
     punctuated_text = punctuate(video_id)
     #    return punctuated_text
-    return {"12:09-12-51": 0.9}
+    return [{"start": "12:05", "end": "12:52"}]
 
 
 # print(pipeline("VL5M5ZihJK4"))