Add andaluh to l.d.o

What is the ISO language code?

es_an

What is the plural formula for the language?

nplurals=2; plural=(n != 1);

Would you do the translations alone or as part of a team?

So many people can do the translation.

Andaluh support and reference

• https://andaluh.es/
• https://es.wikipedia.org/wiki/%C3%8Attand%C3%A2_pal_andal%C3%BBh
• https://es.wikipedia.org/wiki/Dialecto_andaluz
• https://www.lavozdelsur.es/levantaos/andalugeeks-revolucion-digital-en-a...
• https://github.com/andalugeeks/andaluh-po/tree/master
• https://github.com/andalugeeks/andaluh-py/tree/master