añadido seeder para series de facturacion

src/main/java/com/imprimelibros/erp/configurationERP/VariablesController.java

@@ -0,0 +1,24 @@
+package com.imprimelibros.erp.configurationERP;
+
+import java.util.Locale;
+
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+
+
+
+@Controller
+@RequestMapping("/configuracion/variables-sistema")
+@PreAuthorize("hasRole('SUPERADMIN')")
+public class VariablesController {
+
+    @GetMapping()
+    public String list(Model model, Locale locale) {
+        return new String();
+    }
+    
+
+}