[ADD] CategoryFormを作成しました。

src/main/java/com/example/demo/app/presentation/form/CategoryForm.java

@@ -0,0 +1,28 @@
+package com.example.demo.app.presentation.form;
+
+import java.util.List;
+
+import com.example.demo.app.domain.model.CategoryModel;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class CategoryForm {
+	
+	private Long categoryId;
+	private String categoryName;
+	private Integer transactionType;
+	
+	public static CategoryForm convertFrom(CategoryModel categoryModel) {
+		return new CategoryForm(categoryModel.getCategoryId(), categoryModel.getCategoryName(), categoryModel.getTransactionType());
+	}
+	
+	public static List<CategoryForm> convertFrom(List<CategoryModel> categoryModelList){
+		return categoryModelList.stream().map(CategoryForm::convertFrom).toList();
+	}
+	
+}