Reorganize commands into the Commands folder (#2679)

* Reorganize commands into the Commands folder

* RIDER

Content.Server/Commands/Chat/AdminChatCommand.cs

@@ -0,0 +1,31 @@
+#nullable enable
+using Content.Server.Administration;
+using Content.Server.Interfaces.Chat;
+using Content.Shared.Administration;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Commands.Chat
+{
+    [AdminCommand(AdminFlags.Admin)]
+    internal class AdminChatCommand : IClientCommand
+    {
+        public string Command => "asay";
+        public string Description => "Send chat messages to the private admin chat channel.";
+        public string Help => "asay <text>";
+
+        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        {
+            if (args.Length < 1)
+                return;
+
+            var message = string.Join(" ", args).Trim();
+            if (string.IsNullOrEmpty(message))
+                return;
+
+            var chat = IoCManager.Resolve<IChatManager>();
+            chat.SendAdminChat(player, message);
+        }
+    }
+}