chore: add spanish export button tooltip (#165)

Author: wilfredinni

src/main/services/i18n/locales/es_ES/common.json

@@ -14,6 +14,7 @@
   "addDescription": "Agregar Descripción",
   "addToFavorites": "Agregar a Favoritos",
   "addTag": "Agregar Etiqueta",
+  "exportToHtml": "Exportar HTML",
   "rename": "Renombrar",
   "duplicate": "Duplicar",
   "delete": "Eliminar",