Types were taken from KMyMoney, which is for personal tracking, however
some types had no use (cash not something the bank can provide,
maybe credit card but it is usually the "coming" field for us).
Sources: https://en.wikipedia.org/wiki/Bank_account (but not focused on
personal banking) and it's French translation which was more interesting.
Other websites for American and Australian banking almost always mentioned three
accounts: checking/current, savings/deposits, term/fixed deposits.
And some code refactoring.
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