restructure modules

modules/examples/TestMenu/src/TestMenu.h

@@ -0,0 +1,20 @@
+#include "Archimedes.h"
+
+class TestMenu : public Module {
+
+    public:
+        TestMenu(void*, App&);
+        ~TestMenu();
+        void run();
+        void onLoad() {}
+
+    private:
+        int choice;
+        int num = 5;
+};
+
+extern "C" { 
+    Module* create(void* handle, App& app) {
+        return new TestMenu(handle, app);
+    }
+}