react frontend app (display screen, join)

TanksServer/PlayerService.cs

@@ -0,0 +1,18 @@
+using System.Collections.Concurrent;
+using Microsoft.Extensions.Logging;
+
+namespace TanksServer;
+
+internal sealed class PlayerService(ILogger<PlayerService> logger)
+{
+    private readonly ConcurrentDictionary<string, Player> _players = new();
+
+    public Player GetOrAdd(string name) => _players.GetOrAdd(name, _ => new Player(name));
+}
+
+internal class Player(string name)
+{
+    public string Name => name;
+
+    public Guid Id => Guid.NewGuid();
+}