add Transaction

src/main/kotlin/ltd/lulz/model/Transaction.kt

@@ -0,0 +1,14 @@
+package ltd.lulz.model
+
+import jakarta.validation.constraints.DecimalMin
+import java.math.BigDecimal
+import java.util.UUID
+
+object Transaction {
+
+    data class Request(
+        val account: UUID,
+        @field:DecimalMin(value = "0.01")
+        val amount: BigDecimal,
+    )
+}