[examples] Update Command-based starter project (#4778)

wpilibcExamples/src/main/cpp/templates/commandbased/include/commands/Autos.h

@@ -0,0 +1,16 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+#include <frc2/command/CommandPtr.h>
+
+#include "subsystems/ExampleSubsystem.h"
+
+namespace autos {
+/**
+ * Example static factory for an autonomous command.
+ */
+frc2::CommandPtr ExampleAuto(ExampleSubsystem* subsystem);
+}  // namespace autos