Add better help to scripts/port_from_sqlite_to_postgres.py
Add better help to scripts/port_from_sqlite_to_postgres.py

iot-factory/synapse,TribeMedia/synapse,howethomas/synapse,howethomas/synapse,illicitonion/synapse,matrix-org/synapse,illicitonion/synapse,rzr/synapse,rzr/synapse,matrix-org/synapse,matrix-org/synapse,illicitonion/synapse,iot-factory/synapse,matrix-org/synapse,illicitonion/synapse,iot-factory/synapse,howethomas/synapse,TribeMedia/synapse,matrix-org/synapse,TribeMedia/synapse,TribeMedia/synapse,howethomas/synapse,iot-factory/synapse,illicitonion/synapse,rzr/synapse,rzr/synapse,iot-factory/synapse,rzr/synapse,matrix-org/synapse,howethomas/synapse,TribeMedia/synapse