[BE-nathan] add: Card, Log domain 및 DTO 생성

- Card와 Log domain Class
- Event, Section Enum
- CardDTO, LogDTO Class

Related to #5, #7

backend/src/main/java/com/team05/todolist/domain/Card.java

@@ -0,0 +1,26 @@
+package com.team05.todolist.domain;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class Card {
+
+	private Integer id;
+	private Integer orderIndex;
+	private Integer delete;
+	private String title;
+	private String content;
+	private Section section;
+
+	public Card(Integer orderIndex, Integer delete, String title, String content, Section section) {
+		this.orderIndex = orderIndex;
+		this.delete = delete;
+		this.title = title;
+		this.content = content;
+		this.section = section;
+	}
+
+}

backend/src/main/java/com/team05/todolist/domain/Event.java

@@ -0,0 +1,7 @@
+package com.team05.todolist.domain;
+
+public enum Event {
+	CREATE,
+	MOVE,
+	DELETE
+}

backend/src/main/java/com/team05/todolist/domain/Log.java

@@ -0,0 +1,21 @@
+package com.team05.todolist.domain;
+
+import java.time.LocalDateTime;
+import lombok.Getter;
+
+@Getter
+public class Log {
+
+	private Integer id;
+	private Event event;
+	private LocalDateTime logTime;
+
+	public Log(Event event, LocalDateTime logTime) {
+		this.event = event;
+		this.logTime = logTime;
+	}
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+}

backend/src/main/java/com/team05/todolist/domain/Section.java

@@ -0,0 +1,7 @@
+package com.team05.todolist.domain;
+
+public enum Section {
+	TODO,
+	DOING,
+	DONE
+}

backend/src/main/java/com/team05/todolist/domain/dto/CardDTO.java

@@ -0,0 +1,21 @@
+package com.team05.todolist.domain.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class CardDTO {
+
+	private Integer cardId;
+	private Integer orderIndex;
+	private String title;
+	private String content;
+
+	public CardDTO(Integer cardId, Integer orderIndex, String title, String content) {
+		this.cardId = cardId;
+		this.orderIndex = orderIndex;
+		this.title = title;
+		this.content = content;
+	}
+}

backend/src/main/java/com/team05/todolist/domain/dto/LogDTO.java

@@ -0,0 +1,26 @@
+package com.team05.todolist.domain.dto;
+
+import com.team05.todolist.domain.Event;
+import java.time.LocalDateTime;
+import lombok.Getter;
+
+@Getter
+public class LogDTO {
+
+	private Integer logId;
+	private Event logEvent;
+	private LocalDateTime logTime;
+
+	public LogDTO(Integer logId, Event logEvent, LocalDateTime logTime) {
+		this.logId = logId;
+		this.logEvent = logEvent;
+		this.logTime = checkDateTimeNull(logTime);
+	}
+
+	private LocalDateTime checkDateTimeNull(LocalDateTime logTime) {
+		if (logTime == null) {
+			return LocalDateTime.now();
+		}
+		return logTime;
+	}
+}