[Mageia-i18n] Added new string in web page map.en.lang: Official Documentation

[Filip Komar]

Hi, all.

See:
http://svnweb.mageia.org/web/www/trunk/en/map/index.php?r1=1412&r2=1427

I'll try to check support.en.lang in coming days as I think that it misses
some strings.

Greetings,
Filip.