Enhance map layout and room definitions by adding optional labels for rooms and updating the API to support new room naming conventions. Introduce additional room types and localization strings for improved user experience in both English and Russian. Refactor map view logic to accommodate new room attributes and ensure accurate rendering in the UI. Update tests to validate changes in room structure and localization.

src/HSchool.Content/MapLayout.cs

@@ -52,6 +52,9 @@ public sealed class RoomNode
 
     public required string Floor { get; init; }
 
+    /// <summary>Optional designation such as a classroom number. The def label still supplies the noun.</summary>
+    public string? Label { get; init; }
+
     public IReadOnlyList<SlotFill> Slots { get; init; } = [];
 }