Added new Whirling module, just blank for now

modules/Whirling/Whirling.cpp

@@ -0,0 +1,38 @@
+//
+// Whirling.cpp
+// Whirling
+//
+// Created by Bob Polis at 2021-09-05
+// Copyright (c) 2021 SwiftCoder. All rights reserved.
+//
+
+#include "Whirling.hpp"
+#include <libscscreensaver.hpp>
+
+class Whirling : public ScreensaverPlugin {
+    public:
+        Whirling() = default;
+        ~Whirling() = default;
+
+        int fps() const override;
+        void update() override;
+        void render() override;
+};
+
+ScreensaverPlugin* create_instance() {
+    return new Whirling;
+}
+
+int Whirling::fps() const {
+    return 30;
+}
+
+void Whirling::update() {
+    // adjust state for next render
+
+}
+
+void Whirling::render() {
+    // render one frame based on current state
+
+}