restructure modules. make GuiModules depend on WindowModule

modules/examples/GuiModules/TestImgui/src/TestImgui.h

@@ -0,0 +1,27 @@
+#ifndef GUIMODULE
+#define GUIMODULE
+#endif
+
+#include "Archimedes.h"
+
+
+class TestImgui : public Archimedes::GuiModule {
+
+    public:
+        TestImgui(void*, Archimedes::App*);
+
+        ~TestImgui();
+
+        void onLoad();
+
+        void run();
+
+    private:
+        bool demo = true;
+        std::list<Archimedes::Renderer::renderCmd*>::iterator rcmd;
+};
+
+#ifndef TESTIMGUI_STATIC
+#define MODULE_TYPE TestImgui
+#include "endModule.h"
+#endif