Initial commit: BARON SSO 샘플 (WebView OIDC PKCE 인증 라이브러리 + 데모 앱)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

BaronSoftware.SSO.Sample/App.xaml.cs

@@ -0,0 +1,14 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace BaronSoftware.Auth.Sample
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}