Add Spanish FAQ translations

interface/web/help/lib/lang/es.lng

@@ -6,4 +6,9 @@ $wb['View messages'] = 'Ver mensajes';
 $wb['Support'] = 'Soporte';
 $wb['About ISPConfig'] = 'About ISPConfig';
 $wb['Version'] = 'Version';
+$wb['Frequently Asked Questions'] = 'Frequently Asked Questions';
+$wb['FAQ Sections'] = 'FAQ Sections';
+$wb['Manage Sections'] = 'Manage Sections';
+$wb['Add a Question & Answer Pair'] = 'Add a Question & Answer Pair';
+$wb['Manage Questions'] = 'Manage Questions';
 ?>

interface/web/help/lib/lang/es_faq_form.lng

+<?php
+$wb['faq_faq_txt'] = "Preguntas frecuentes";
+$wb['faq_question_txt'] = "Pregunta";
+$wb['faq_answer_txt'] = "Respuesta";
+$wb['faq_section_txt'] = "Sección";
+?>

interface/web/help/lib/lang/es_faq_manage_questions_list.lng

+<?php
+$wb['faq_question_txt'] = "Pregunta";
+$wb['faq_section_name_txt'] = "Sección";
+$wb['faq_delete_txt'] = "Eliminar";
+$wb['faq_edit_txt'] = "Editar";
+$wb['faq_sections_txt'] = "Secciones";
+$wb['faq_faq_questions_txt'] = "Preguntas frecuentes";
+$wb['faq_new_question_txt'] = "Agregar un nueva par pregunta y respuesta";
+?>
+

interface/web/help/lib/lang/es_faq_sections_form.lng

+<?php
+$wb['faq_section_name_txt'] = "Nombre de la sección";
+?>