add info about win32 repository to readme.txt
add info about win32 repository to readme.txt

joshuawarner32/avian,lwahlmeier/avian,bigfatbrowncat/avian-pack.avian,getlantern/avian,lostdj/avian,joshuawarner32/avian,minor-jason/avian,lostdj/avian,marcinolawski/avian,lwahlmeier/avian,dicej/avian,dicej/avian,minor-jason/avian,ucdseniordesign/avian,marcinolawski/avian,lostdj/avian,bigfatbrowncat/avian-pack.avian,ucdseniordesign/avian,ucdseniordesign/avian,joshuawarner32/avian,lwahlmeier/avian,getlantern/avian,marcinolawski/avian,lostdj/avian,marcinolawski/avian,lwahlmeier/avian,dicej/avian,badlogic/avian,bgould/avian,getlantern/avian,badlogic/avian,badlogic/avian,MaartenR/avian,ucdseniordesign/avian,bigfatbrowncat/avian-pack.avian,dicej/avian,minor-jason/avian,MaartenR/avian,MaartenR/avian,bgould/avian,MaartenR/avian,getlantern/avian,badlogic/avian,minor-jason/avian,bgould/avian,joshuawarner32/avian,bigfatbrowncat/avian-pack.avian,bgould/avian