Add note for future memory optimization in app.py

- Added a comment indicating the intention to explore memory allocation savings and transition to using numpy for improved performance in future updates.

app.py

@@ -8,6 +8,9 @@ from pymongo.mongo_client import MongoClient
 from pymongo.server_api import ServerApi
 from datetime import datetime
 
+
+# Just setting a note here to say that I should attempt to do some memory allocation savings and swap to numpy soon
+
 def init_conn():
         
         uri = st.secrets['mongo_uri']