Initial commit: SpdUp Windows Gaming Booster v1.0.0

- .NET 8 WPF app with full MVVM architecture
- One-click boost: CPU, RAM, GPU, network, services, timer resolution
- Real-time system monitor (LibreHardwareMonitor)
- Auto game detection (30+ games)
- RAM optimizer with kernel-level cleanup
- Network optimizer (TCP registry tweaks)
- Service manager, process manager, shader cache cleaner
- Desktop widget overlay
- Debug log viewer
- Custom dark gaming theme with trans pride colors
- 84 unit tests (xUnit)
- Inno Setup installer script
- Landing page website

ViewModels/SettingsViewModel.cs

@@ -0,0 +1,91 @@
+using System.Windows.Input;
+using SpdUp.Core;
+using SpdUp.Models;
+
+namespace SpdUp.ViewModels;
+
+/// <summary>
+/// Settings page ViewModel.
+/// </summary>
+public sealed class SettingsViewModel : ObservableObject
+{
+    private readonly AppSettings _settings;
+    private readonly MainViewModel _main;
+
+    public bool AutoDetectGames
+    {
+        get => _settings.AutoDetectGames;
+        set { _settings.AutoDetectGames = value; OnPropertyChanged(); Save(); }
+    }
+
+    public bool AutoBoostOnGameLaunch
+    {
+        get => _settings.AutoBoostOnGameLaunch;
+        set { _settings.AutoBoostOnGameLaunch = value; OnPropertyChanged(); Save(); }
+    }
+
+    public bool MinimizeToTray
+    {
+        get => _settings.MinimizeToTray;
+        set { _settings.MinimizeToTray = value; OnPropertyChanged(); Save(); }
+    }
+
+    public bool StartWithWindows
+    {
+        get => _settings.StartWithWindows;
+        set { _settings.StartWithWindows = value; OnPropertyChanged(); Save(); }
+    }
+
+    public bool WidgetCompactMode
+    {
+        get => _settings.WidgetCompactMode;
+        set { _settings.WidgetCompactMode = value; OnPropertyChanged(); Save(); }
+    }
+
+    public double WidgetOpacity
+    {
+        get => _settings.WidgetOpacity;
+        set { _settings.WidgetOpacity = value; OnPropertyChanged(); Save(); }
+    }
+
+    public int WidgetUpdateInterval
+    {
+        get => _settings.WidgetUpdateIntervalMs;
+        set { _settings.WidgetUpdateIntervalMs = value; OnPropertyChanged(); Save(); }
+    }
+
+    public bool WidgetClickThrough
+    {
+        get => _settings.WidgetClickThrough;
+        set { _settings.WidgetClickThrough = value; OnPropertyChanged(); Save(); }
+    }
+
+    public int MonitoringInterval
+    {
+        get => _settings.MonitoringIntervalMs;
+        set { _settings.MonitoringIntervalMs = value; OnPropertyChanged(); Save(); }
+    }
+
+    public string PingTarget
+    {
+        get => _settings.PingTarget;
+        set { _settings.PingTarget = value; OnPropertyChanged(); Save(); }
+    }
+
+    public string PreferredDns
+    {
+        get => _settings.PreferredDns;
+        set { _settings.PreferredDns = value; OnPropertyChanged(); Save(); }
+    }
+
+    public ICommand SaveCommand { get; }
+
+    public SettingsViewModel(AppSettings settings, MainViewModel main)
+    {
+        _settings = settings;
+        _main = main;
+        SaveCommand = new RelayCommand(Save);
+    }
+
+    private void Save() => _settings.Save();
+}