Create room member item model

app/src/main/java/com/futo/circles/model/RoomMemberListItem.kt

+package com.futo.circles.model
+
+import com.futo.circles.base.IdEntity
+
+data class RoomMemberListItem(
+    override val id: String,
+    val name: String,
+    val avatarUrl: String,
+    val isSelected: Boolean = false
+) : IdEntity<String>
\ No newline at end of file