Reorganize commands into the Commands folder (#2679)

* Reorganize commands into the Commands folder

* RIDER

Content.Server/Commands/Atmos/ShowAtmosCommand.cs

@@ -0,0 +1,34 @@
+#nullable enable
+using Content.Server.Administration;
+using Content.Server.GameObjects.EntitySystems.Atmos;
+using Content.Shared.Administration;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.GameObjects.Systems;
+
+namespace Content.Server.Commands.Atmos
+{
+    [AdminCommand(AdminFlags.Debug)]
+    public class ShowAtmos : IClientCommand
+    {
+        public string Command => "showatmos";
+        public string Description => "Toggles seeing atmos debug overlay.";
+        public string Help => $"Usage: {Command}";
+
+        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        {
+            if (player == null)
+            {
+                shell.SendText(player, "You must be a player to use this command.");
+                return;
+            }
+
+            var atmosDebug = EntitySystem.Get<AtmosDebugOverlaySystem>();
+            var enabled = atmosDebug.ToggleObserver(player);
+
+            shell.SendText(player, enabled
+                ? "Enabled the atmospherics debug overlay."
+                : "Disabled the atmospherics debug overlay.");
+        }
+    }
+}