added open changelog button to settings title menu

LightlessSync/UI/SettingsUi.cs

@@ -140,6 +140,25 @@ public class SettingsUi : WindowMediatorSubscriberBase
             MinimumSize = new Vector2(800, 400), MaximumSize = new Vector2(800, 2000),
         };
 
+        TitleBarButtons = new()
+        {
+            new TitleBarButton()
+            {
+                Icon = FontAwesomeIcon.FileAlt,
+                Click = (msg) =>
+                {
+                    Mediator.Publish(new UiToggleMessage(typeof(UpdateNotesUi)));
+                },
+                IconOffset = new(2, 1),
+                ShowTooltip = () =>
+                {
+                    ImGui.BeginTooltip();
+                    ImGui.Text("View Update Notes");
+                    ImGui.EndTooltip();
+                }
+            }
+        };
+
         Mediator.Subscribe<OpenSettingsUiMessage>(this, (_) => Toggle());
         Mediator.Subscribe<OpenLightfinderSettingsMessage>(this, (_) =>
         {
@@ -2333,6 +2352,21 @@ public class SettingsUi : WindowMediatorSubscriberBase
         }
         
         ImGui.Separator();
+        
+        if (_uiShared.MediumTreeNode("Information", UIColors.Get("LightlessPurple")))
+        {
+            if (_uiShared.IconTextButton(FontAwesomeIcon.FileAlt, "View Update Notes"))
+            {
+                Mediator.Publish(new UiToggleMessage(typeof(UpdateNotesUi)));
+            }
+            
+            _uiShared.DrawHelpText("View the changelog and update notes for Lightless Sync.");
+            
+            _uiShared.ColoredSeparator(UIColors.Get("LightlessPurple"), 1.5f);
+            ImGui.TreePop();
+        }
+        
+        ImGui.Separator();
 
     }