feat: enhance titleBarOverlay to accept both a boolean and an object

src/ElectronNET.API/API/Entities/TitleBarOverlay.cs

@@ -0,0 +1,18 @@
+namespace ElectronNET.API.Entities;
+
+public class TitleBarOverlay
+{
+    private readonly bool? _value;
+
+    private TitleBarOverlay(bool value) => _value = value;
+
+    public string Color { get; set; }
+
+    public double Height { get; set; }
+
+    public string SymbolColor { get; set; }
+
+    public static implicit operator bool?(TitleBarOverlay titleBarOverlay) => titleBarOverlay?._value;
+
+    public static implicit operator TitleBarOverlay(bool value) => new(value);
+}