FR: select creditor when creating transaction

[dorianim]

Another option would be to still require them to have real account, but make it possible to designate who is paying for something. E.g. I can add a transaction on behalf of another user. It would show "purchased by" with the name of the person you select. And you would add another line for something like an "entered by" that would show my name.

Something like this:

You could then add a single-select box called "Payer" or "provider" or something down below Consumers to select which user is actually paying the money. A la:

Originally posted by @Szeraax in https://github.com/dorianim/money-balancer/issues/4#issuecomment-1277020438