set up as publisher
publisher event when fee is closed
Dev details: https://wiki.folio.org/display/DD/Close+loan+when+lost+item+fees+are+closed#Closeloanwhenlostitemfeesareclosed-6Usepub/subapproachoverview
Closing declared lost loan (Lost and paid status) for set cost
Loan: Declared Lost (Stories dependent on fines/fees work)
Should publishing a message fail if there are no subscribers?
Assist integration of mod-pubsub