Translate Ethics and operating procedures for the radio amateur to Spanish language

[domnantas]

The problem

The Radio operating ethics should be translated to Spanish language.
The translated document can be found here: https://www.iaru-r1.org/wp-content/uploads/2019/10/6-ETHICS-OPERATING-spanish-URE.pdf
Most of the structure can be copied from the English markdown files

Requirements

• IMPORTANT Contact the translators of the document and request permission to copy the content to https://armanual.org
• Copy ARManual/radio-operating-ethics/* to ARManual/es/radio-operating-ethics/* (except images, just like ARManual/lt/radio-operating-ethics)
• Copy all translations from https://www.iaru-r1.org/wp-content/uploads/2019/10/6-ETHICS-OPERATING-spanish-URE.pdf
• add /es/ prefixes to the page list here