Update Readme.md install.sh url
Update Readme.md install.sh url

Update the `Fancy Install URL` with www to avoid potential
confusion when attempting to download directly with clients
that won't follow redirects

Volune/npm,yibn2008/npm,rsp/npm,DaveEmmerson/npm,haggholm/npm,lxe/npm,chadnickbok/npm,haggholm/npm,DIREKTSPEED-LTD/npm,ekmartin/npm,evocateur/npm,ekmartin/npm,kemitchell/npm,evanlucas/npm,yyx990803/npm,cchamberlain/npm-msys2,segrey/npm,misterbyrne/npm,xalopp/npm,kimshinelove/naver-npm,kimshinelove/naver-npm,Volune/npm,TimeToogo/npm,rsp/npm,DaveEmmerson/npm,xalopp/npm,midniteio/npm,princeofdarkness76/npm,kimshinelove/naver-npm,ekmartin/npm,thomblake/npm,yibn2008/npm,yibn2008/npm,cchamberlain/npm,DaveEmmerson/npm,yyx990803/npm,princeofdarkness76/npm,kemitchell/npm,yyx990803/npm,rsp/npm,yodeyer/npm,TimeToogo/npm,lxe/npm,chadnickbok/npm,thomblake/npm,evocateur/npm,Volune/npm,thomblake/npm,misterbyrne/npm,cchamberlain/npm-msys2,yodeyer/npm,princeofdarkness76/npm,midniteio/npm,segrey/npm,lxe/npm,DIREKTSPEED-LTD/npm,DIREKTSPEED-LTD/npm,misterbyrne/npm,kemitchell/npm,chadnickbok/npm,cchamberlain/npm,cchamberlain/npm-msys2,evanlucas/npm,xalopp/npm,evanlucas/npm,segrey/npm,haggholm/npm,TimeToogo/npm,midniteio/npm,evocateur/npm,cchamberlain/npm,yodeyer/npm