SHOWING changelog everytime till the got it button is pressed, should reappear on version updates according to the current settings

LightlessSync/UI/UpdateNotesUi.cs

@@ -20,6 +20,7 @@ namespace LightlessSync.UI;
 public class UpdateNotesUi : WindowMediatorSubscriberBase
 {
     private readonly UiSharedService _uiShared;
+    private readonly LightlessConfigService _configService;
 
     private ChangelogFile _changelog = new();
     private CreditsFile _credits = new();
@@ -65,6 +66,7 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
         : base(logger, mediator, "Lightless Sync — Update Notes", performanceCollectorService)
     {
         _uiShared = uiShared;
+        _configService = configService;
 
         AllowClickthrough = false;
         AllowPinning = false;
@@ -576,6 +578,12 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
         {
             if (ImGui.Button("Got it!", new Vector2(closeWidth, closeHeight)))
             {
+                // Update last seen version when user acknowledges the update notes
+                var ver = Assembly.GetExecutingAssembly().GetName().Version;
+                var currentVersion = ver == null ? string.Empty : $"{ver.Major}.{ver.Minor}.{ver.Build}";
+                _configService.Current.LastSeenVersion = currentVersion;
+                _configService.Save();
+                
                 IsOpen = false;
             }
         }