add payment, invoice

src/main/kotlin/com/restapi/domain/models.kt

@@ -509,10 +509,12 @@ open class Payment : BaseTenantModel() {
     var amount: Double = 0.0
     var date: LocalDate? = null
     var remark: String? = null
-    var excessAmount : Double ?= null
+    var amountDeducted: Double? = null
+    var excessAmount: Double? = null
 
     @DbJsonB
-    var invoicesAffected: Map<Long, Double>? = null
+    var invoicesAffected: MutableMap<Long, Double>? = mutableMapOf()
+
     @ManyToOne
     var vendor: Vendor? = null
 }