generateStructure example

        // Ensure that the first character is upper case.         // Required for the directory structure and php namespace         $data['template'] = ucfirst($data['template']);

        $this->createThemeDirectory($data['template']);

        $this->generateThemePhp($data, $parent);

        $directory = $this->getThemeDirectory($data['template']);
        $this->generateStructure(
            $this->structure,
            $directory
        );

        $this->eventManager->notify('Theme_Generator_Structure_Generated', [
            'data' => $data,
            'directory' => $directory,
        ]);

        $this->movePreviewImage(
            $this->getThemeDirectory($data['template'])
        );