Implemented IoC container

App/Program.cs

@@ -1,9 +1,30 @@
-var application = Adw.Application.New("org.typomustakes.keychain", Gio.ApplicationFlags.FlagsNone);
-application.OnActivate += (sender, args) =>
-{
-    var window = new App.UI.MainWindow().Window;
-    window.Application = (Adw.Application)sender;
-    window.Show();
-};
+using Microsoft.Extensions.DependencyInjection;
 
-return application.RunWithSynchronizationContext(null);
+namespace App;
+
+class Program
+{
+    private static ServiceProvider? provider;
+
+    static int Main()
+    {
+        provider = SetupServices();
+
+        var application = Adw.Application.New("org.typomustakes.keychain", Gio.ApplicationFlags.FlagsNone);
+        application.OnActivate += (sender, args) =>
+        {
+            var window =  new App.UI.MainWindow().Window;
+            window.Application = (Adw.Application)sender;
+            window.Show();
+        };
+
+        return application.RunWithSynchronizationContext(null);
+    }
+
+    private static ServiceProvider SetupServices()
+    {
+        var services = new ServiceCollection();
+        services.AddTransient<IPasswordStoreService, PasswordStoreService>();
+        return services.BuildServiceProvider();
+    }
+}