✨ UiState 추가

Author: soopeach

presentation/src/main/java/com/whyranoid/presentation/model/UiState.kt

@@ -0,0 +1,12 @@
+package com.whyranoid.presentation.model
+
+sealed class UiState<out T> {
+
+    object UnInitialized : UiState<Nothing>()
+
+    object Loading : UiState<Nothing>()
+
+    data class Success<out T>(val value: T) : UiState<T>()
+
+    data class Failure(val throwable: Throwable) : UiState<Nothing>()
+}