Update README to reflect the system requirements change
Update README to reflect the system requirements change

ViennaRSS/vienna-rss,Eitot/vienna-rss,josh64x2/vienna-rss,josh64x2/vienna-rss,ViennaRSS/vienna-rss,ViennaRSS/vienna-rss,ViennaRSS/vienna-rss,Eitot/vienna-rss,josh64x2/vienna-rss,barijaona/vienna-rss,barijaona/vienna-rss,Eitot/vienna-rss,josh64x2/vienna-rss,barijaona/vienna-rss,Eitot/vienna-rss,barijaona/vienna-rss,josh64x2/vienna-rss,ViennaRSS/vienna-rss,barijaona/vienna-rss