Add go files from previous project

types.go

@@ -0,0 +1,32 @@
+package main
+
+import "time"
+
+type (
+	Bill struct {
+		Id   int64
+		Name string
+	}
+	Payment struct {
+		Id          int64
+		BillId      int64
+		MonthFor    time.Time
+		PaymentDate time.Time
+	}
+
+	WailsBills struct {
+		Data    []Bill
+		Success bool
+		Error   string
+	}
+	WailsPayments struct {
+		Data    []Payment
+		Success bool
+		Error   string
+	}
+	WailsPayment struct {
+		Data    Payment
+		Success bool
+		Error   string
+	}
+)