refactor: Round 를 표시하는 UI container/presentational 컴포넌트로 분리

src/main/kotlin/racingcar/view/component/RacingResultComponent.kt

@@ -1,12 +1,11 @@
 package racingcar.view.component
 
+import racingcar.view.container.RoundContainer
 import racingcar.view.container.WinnerContainer
-import racingcar.view.store.RoundStore
 
 class RacingResultComponent : Component {
     override fun render() {
-        val rounds = RoundStore.getState()
-        rounds.forEach { round -> RoundComponent(round = round).render() }
+        RoundContainer().render()
         WinnerContainer().render()
     }
 }

src/main/kotlin/racingcar/view/container/RoundContainer.kt

@@ -0,0 +1,11 @@
+package racingcar.view.container
+
+import racingcar.view.component.RoundComponent
+import racingcar.view.store.RoundStore
+
+class RoundContainer : Container {
+    override fun render() {
+        val rounds = RoundStore.getState()
+        rounds.forEach { round -> RoundComponent(round = round).render() }
+    }
+}