chore: cleanup

Interfaces/ICurrentLevel.cs

@@ -2,8 +2,18 @@ using R3;
 
 namespace GodotHostTest.Interfaces;
 
+/// <summary>
+///     The object that handles the current level.
+/// </summary>
 public interface ICurrentLevel
 {
+    /// <summary>
+    ///     The current level.
+    /// </summary>
     public ReadOnlyReactiveProperty<int> LevelNumber { get; }
+
+    /// <summary>
+    ///     Move to the next level.
+    /// </summary>
     public void NextLevel();
 }