This adds the missing debit and credit types to the includes, namely:
DISCOUNT, PURCHASE, PAYOUT, and VOID.
I sorted them as they appear in the GUI (alphabetically) so it's a little
easier to spot missing ones.
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
