// register default editor
ExtensionPointRegistry registry = brix.getConfig().getRegistry();
registry.register(MarkupEditorFactory.POINT, new SimpleMarkupEditorFactory());
// register node types for tree renderer
registry.register(NodeTreeRenderer.POINT, new PageNodeTreeRenderer());
registry.register(NodeTreeRenderer.POINT, new TemplateNodeTreeRenderer());
registry.register(NodeTreeRenderer.POINT, new CssNodeTreeRenderer());
registry.register(NodeTreeRenderer.POINT, new AudioNodeTreeRenderer());
registry.register(NodeTreeRenderer.POINT, new ImageNodeTreeRenderer());
registry.register(NodeTreeRenderer.POINT, new VideoNodeTreeRenderer());