añadida validacion en el backend para datos generales

src/main/java/com/imprimelibros/erp/i18n/TranslationService.java

@@ -0,0 +1,22 @@
+package com.imprimelibros.erp.i18n;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.MessageSource;
+import org.springframework.stereotype.Component;
+
+import java.util.*;
+
+@Component
+public class TranslationService {
+
+    @Autowired
+    private MessageSource messageSource;
+
+    public Map<String, String> getTranslations(Locale locale, List<String> keys) {
+        Map<String, String> translations = new HashMap<>();
+        for (String key : keys) {
+            translations.put(key, messageSource.getMessage(key, null, locale));
+        }
+        return translations;
+    }
+}