Enhance internationalization support by integrating language selection for school names, updating UI components for localization, and revising documentation. Implement locale-aware formatting for dates and strings, ensuring a seamless user experience in both Russian and English. Update tests to cover new language features.

src/HSchool.Server/Api/SchoolEndpoints.cs

@@ -29,9 +29,9 @@ internal static class SchoolEndpoints
         })
         .WithName("GetSchools");
 
-        schools.MapGet("/random-name", async (GameCommandQueue commands, CancellationToken cancellationToken) =>
+        schools.MapGet("/random-name", async (string? lang, GameCommandQueue commands, CancellationToken cancellationToken) =>
         {
-            var command = new GameCommand.SuggestName(NewCompletion<string>());
+            var command = new GameCommand.SuggestName(ParseNameLanguage(lang), NewCompletion<string>());
             commands.Enqueue(command);
 
             var name = await command.Result.Task.WaitAsync(CommandTimeout, cancellationToken);
@@ -85,6 +85,11 @@ internal static class SchoolEndpoints
     private static TaskCompletionSource<T> NewCompletion<T>() =>
         new(TaskCreationOptions.RunContinuationsAsynchronously);
 
+    private static SchoolNameLanguage ParseNameLanguage(string? lang) =>
+        string.Equals(lang, "en", StringComparison.OrdinalIgnoreCase)
+            ? SchoolNameLanguage.English
+            : SchoolNameLanguage.Russian;
+
     private static IResult Problem(int statusCode, string code, string detail) =>
         Results.Problem(detail: detail, statusCode: statusCode, title: code, extensions: new Dictionary<string, object?>
         {