Add json tags to types

app.go

@@ -56,4 +56,12 @@ func (a *App) SetPaid(billid int64, month time.Time) WailsPayment {
 	res.Success = true
 	res.Data = payment
 	return res
+}
+
+// These exist only so that wails generates models for Bill and Payment
+func (a *App) EmptyBill() Bill {
+	return Bill{}
+}
+func (a *App) EmptyPayment() Payment {
+	return Payment{}
 }