Feat: 반복루틴 단일 삭제를 위한 도메인 모델 정의

- RoutineByDayDeletion: 특정 날짜의 루틴 삭제 정보
- SubRoutineDeletionInfo: 하위 루틴 삭제 정보

Author: wjdrjs00

domain/src/main/java/com/threegap/bitnagil/domain/routine/model/RoutineByDayDeletion.kt

@@ -0,0 +1,9 @@
+package com.threegap.bitnagil.domain.routine.model
+
+data class RoutineByDayDeletion(
+    val routineCompletionId: Int?,
+    val routineId: String,
+    val subRoutineInfosForDelete: List<SubRoutineDeletionInfo>,
+    val performedDate: String,
+    val historySeq: Int,
+)

domain/src/main/java/com/threegap/bitnagil/domain/routine/model/SubRoutineDeletionInfo.kt

@@ -0,0 +1,6 @@
+package com.threegap.bitnagil.domain.routine.model
+
+data class SubRoutineDeletionInfo(
+    val routineCompletionId: Int?,
+    val subRoutineId: String,
+)