Reorganize commands into the Commands folder (#2679)

* Reorganize commands into the Commands folder

* RIDER

Content.Server/Commands/GameTicking/StartRoundCommand.cs

@@ -0,0 +1,32 @@
+using System;
+using Content.Server.Administration;
+using Content.Server.GameTicking;
+using Content.Server.Interfaces.GameTicking;
+using Content.Shared.Administration;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Commands.GameTicking
+{
+    [AdminCommand(AdminFlags.Server)]
+    class StartRoundCommand : IClientCommand
+    {
+        public string Command => "startround";
+        public string Description => "Ends PreRoundLobby state and starts the round.";
+        public string Help => String.Empty;
+
+        public void Execute(IConsoleShell shell, IPlayerSession player, string[] args)
+        {
+            var ticker = IoCManager.Resolve<IGameTicker>();
+
+            if (ticker.RunLevel != GameRunLevel.PreRoundLobby)
+            {
+                shell.SendText(player, "This can only be executed while the game is in the pre-round lobby.");
+                return;
+            }
+
+            ticker.StartRound();
+        }
+    }
+}