Add 'cash_in_txs' migration
Add 'cash_in_txs' migration

This migration adds a new column to the 'cash_in_txs' table to
accommodate the new paper wallet feature for compliance.

lamassu/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server,lamassu/lamassu-server,naconner/lamassu-server,lamassu/lamassu-server