[ADD] CategoryModelを作成しました

src/main/java/com/example/demo/app/domain/model/CategoryModel.java

@@ -0,0 +1,14 @@
+package com.example.demo.app.domain.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CategoryModel {
+
+	private Long categoryId;
+	private String categoryName;
+	private Integer transactionType;
+	
+}