jm eÅÊàÈËÆÒAXÛîÙÚógßúÅ9XË9= ¡/iL·goto https://memo.cash/token/create
then select mint option then the token of ur creation
afaik, no url cannot be added later on Memo,there maybe a way through github but im not sure
https://whatsonchain.com/tx/497e409526710ab22cc42bd2a93e3365327995e1d2ad5dd882e504ce4e404e35