Download transactions from date

[xinomoreno]

Is your feature request related to a problem? Please describe.
I import transactions from pytr in Actual budget weekly, so I have to delete old transactions every time I try to import

Describe the solution you'd like
Add a parameter to set a date from which download transactions

Describe alternatives you've considered
Do it myself, manually or with another script

Additional context
Add any other context or screenshots about the feature request here.

[Katzmann1983]

Please check with version 0.2.1