Change installation method in README
Change installation method in README

ostree/thefuck,barneyElDinosaurio/thefuck,redreamality/thefuck,LawrenceHan/thefuck,subajat1/thefuck,roth1002/thefuck,mcarton/thefuck,nvbn/thefuck,ostree/thefuck,thinkerchan/thefuck,Clpsplug/thefuck,bigplus/thefuck,manashmndl/thefuck,princeofdarkness76/thefuck,lawrencebenson/thefuck,qingying5810/thefuck,levythu/thefuck,thinkerchan/thefuck,PLNech/thefuck,lawrencebenson/thefuck,levythu/thefuck,gaurav9991/thefuck,MJerty/thefuck,Aeron/thefuck,BertieJim/thefuck,mlk/thefuck,bugaevc/thefuck,hxddh/thefuck,LawrenceHan/thefuck,mcarton/thefuck,PLNech/thefuck,thesoulkiller/thefuck,subajat1/thefuck,gogobebe2/thefuck,SimenB/thefuck,redreamality/thefuck,zhangzhishan/thefuck,scorphus/thefuck,roth1002/thefuck,BertieJim/thefuck,hxddh/thefuck,AntonChankin/thefuck,vanita5/thefuck,mlk/thefuck,beni55/thefuck,manashmndl/thefuck,artiya4u/thefuck,SimenB/thefuck,princeofdarkness76/thefuck,AntonChankin/thefuck,nvbn/thefuck,thesoulkiller/thefuck,sekaiamber/thefuck,Clpsplug/thefuck,barneyElDinosaurio/thefuck,MJerty/thefuck,mbbill/thefuck,beni55/thefuck,vanita5/thefuck,scorphus/thefuck,NguyenHoaiNam/thefuck,bigplus/thefuck