multi: modify listtxn definition

This commit modifies listtransactiondetails method definition to
take in additional params: index_offset and maxTxn

lnwallet/interface.go

@@ -402,7 +402,8 @@ type WalletController interface {
 	// retrieve the transactions relevant to a specific account. When
 	// empty, transactions of all wallet accounts are returned.
 	ListTransactionDetails(startHeight, endHeight int32,
-		accountFilter string) ([]*TransactionDetail, error)
+		accountFilter string, indexOffset uint32,
+		maxTransactions uint32) ([]*TransactionDetail, error)
 
 	// LeaseOutput locks an output to the given ID, preventing it from being
 	// available for any future coin selection attempts. The absolute time