[MPlayer-DOCS] en/faq.xml: How can I bezome a developer and mailing list

[Diego Biurrun]

Maciej Paszta writes:
 > The answer to the question mentioned in the subject says that documenters and 
 > coders are always welcome. And there's this mailing list mplayer-dev-eng, but 
 > since few months documenters have got their own mailing list: mplayer-docs. 
 > IMHO it should be added there, what do you think?

Done.

Diego