Basic implementation of files API that allows other apps filesystem access

dashboard/src/main/java/de/nbscloud/dashboard/controller/DashboardWidgetController.java

@@ -26,6 +26,7 @@ public class DashboardWidgetController {
 
     @GetMapping("dashboard/widgets/machineMetrics")
     public String getDiskUsage(HttpServletRequest request, HttpServletResponse response, Model model) {
+
         model.addAttribute("interfaces", metricService.getInterfaces());
         model.addAttribute("updates", metricService.getUpdates());