updated CommandManager.cs to use attributes instead of Classes

Server/CommandLibrary.cs

@@ -0,0 +1,73 @@
+using System.Net.Sockets;
+using DX86;
+using Server.Commands;
+
+namespace Server;
+
+public class CommandLibrary
+{
+    [Command("example")]
+    public static string ExampleCommand(string[] args, TcpClient? client, TcpServer? socket) =>
+        $"Example command executed with arguments: {string.Join(", ", args)}";
+    
+    #region Basic Commands
+
+        [Command("help")]
+        public static string HelpCommand() =>
+        "Available commands:\n" +
+        "1. help - Show this help message\n" +
+        "2. exit - Exit the server\n" +
+        "3. user - User management\n" +
+        "4. settings - Server settings\n" +
+        "5. start - Start the server\n" +
+        "6. stop - Stop the server\n";
+
+    #endregion
+
+    #region Client Commands
+
+    [Command("login")]
+    public static string LoginCommand(string[] args, TcpClient? client, TcpServer? socket)
+    {
+        if (args.Length < 2)
+            throw new CommandException("Missing arguments: usage is login <username> <password>");
+
+        string username = args[0];
+        string password = args[1];
+
+        if (username == "test" && password == "1234")
+        {
+            if (client != null)
+            {
+                socket?.LoggedInClients.Add(client, username);
+                return "Login successful";
+            }
+
+            throw new CommandException("No client connection detected.");
+        }
+
+        throw new CommandException("Invalid username or password.");
+    }
+
+        [Command("logout")]
+        public static string LogoutCommand(TcpClient? client, TcpServer? socket)
+        {
+            if (client != null && socket?.LoggedInClients.ContainsKey(client) == true)
+            {
+                socket.LoggedInClients.Remove(client);
+                return "Logout successful";
+            }
+            throw new CommandException("No client provided or not logged in");
+        }
+
+    #endregion
+
+    #region Administration Commands
+    
+        [Command("get")]
+        public static string GetCommand(string[] args, TcpClient? client, TcpServer? socket) =>
+        $"not implemented yet, args: {string.Join(", ", args)}";
+    
+    #endregion
+    
+}