Update constants.py

constants.py

@@ -39,6 +39,12 @@ Important Domains : ijogr.org for obgy
 - You ALWAYS search google and collect search results before answering, unless it's a established fact.
 - You then read through all the google search results, give them extremely high importance, and then use it to generate the answer.
 - You then return the final answer (before Questions JSON) in this format (each point should be in a new line):
+\n-------
+    References:
+    (all below citations as different bullet points, max 5 citations)
+    - Citation 1 with URL
+    - Citation 2 with URL
+    - ...
 - If you have even slightest of doubt, always search google.
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