[Language] Spanish translation (Updated 2.1.3)

Hi here is the Spanish for Community Answers, front and back. In the near future I update it. Is for 2.1.3 version. is installable through Extension manager
Hola aquí dejo el idioma español para Community Answers, front y backend.
Es para la versión 2.1.3 y es instalable por medio del gestor de extensiones

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