[feat] roundid command

Content.Server/Chat/Commands/RoundIdCommand.cs

@@ -0,0 +1,21 @@
+using Content.Shared.Administration;
+using Robust.Shared.Console;
+using Content.Server.GameTicking;
+
+namespace Content.Server.Chat.Commands
+{
+    [AnyCommand]
+    internal sealed class RoundId : IConsoleCommand
+    {
+        public string Command => "roundid";
+        public string Description => "Shows the id of the current round.";
+        public string Help => "Write roundid, output *Current round #roundId*";
+
+        private int _roundId => EntitySystem.Get<GameTicker>().RoundId;
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            shell.WriteLine($"Current round #{_roundId}");
+        }
+    }
+}