basically function but needs a lot of refinement

Settings.cs

@@ -1,17 +1,24 @@
 using System.Collections.Generic;
+using System.Linq;
 using Godot;
 
 public partial class Settings : Node
 {
+    [Export]
     public bool AllowStreamer { get; set; }
+    [Export]
     public bool AllowModerators { get; set; }
+    [Export]
+    public string Command { get; set; }
     public List<string> UserWhitelist { get; } = new();
     public List<string> UserBlacklist { get; } = new();
     public Vector2 CardSize { get; private set; }
+    [Export]
+    public StretchMode StretchMode { get; set; } = StretchMode.Fit;
 
     [Signal]
     public delegate void ChangeCardSizeEventHandler(Vector2 size);
-
+    
     public void SetCardSize(Vector2 size)
     {
         CardSize = size;
@@ -19,6 +26,7 @@ public partial class Settings : Node
     }
     public bool IsUserAuthorized(string user, bool isStreamer = false, bool isModerator = false)
     {
+        user = user.ToLower();
         if (UserBlacklist.Contains(user))
             return false;
         if (UserWhitelist.Contains(user))
@@ -32,8 +40,8 @@ public partial class Settings : Node
     public void SetUserLists(IEnumerable<string> white, IEnumerable<string> black)
     {
         UserWhitelist.Clear();
-        UserWhitelist.AddRange(white);
+        UserWhitelist.AddRange(white.Select(s => s.ToLower()));
         UserBlacklist.Clear();
-        UserBlacklist.AddRange(black);
+        UserBlacklist.AddRange(black.Select(s => s.ToLower()));
     }
 }