Fix broken troubleshooting link in contributing.md (#7481)
Fix broken troubleshooting link in contributing.md (#7481)

closes #7480
mohanambati/Ghost,rizkyario/Ghost,bitjson/Ghost,e10/Ghost,chevex/undoctrinate,letsjustfixit/Ghost,ignasbernotas/nullifer,vainglori0us/urban-fortnight,ErisDS/Ghost,jomahoney/Ghost,ignasbernotas/nullifer,vainglori0us/urban-fortnight,ivantedja/ghost,letsjustfixit/Ghost,JohnONolan/Ghost,kevinansfield/Ghost,singular78/Ghost,kevinansfield/Ghost,BlueHatbRit/Ghost,disordinary/Ghost,Kikobeats/Ghost,janvt/Ghost,cwonrails/Ghost,dbalders/Ghost,olsio/Ghost,sebgie/Ghost,TryGhost/Ghost,acburdine/Ghost,SkynetInc/steam,disordinary/Ghost,stridespace/Ghost,mohanambati/Ghost,JohnONolan/Ghost,stridespace/Ghost,tidyui/Ghost,letsjustfixit/Ghost,cwonrails/Ghost,Kikobeats/Ghost,lukekhamilton/Ghost,sebgie/Ghost,Gargol/Ghost,bitjson/Ghost,janvt/Ghost,novaugust/Ghost,e10/Ghost,ErisDS/Ghost,Kikobeats/Ghost,TryGhost/Ghost,leninhasda/Ghost,ballPointPenguin/Ghost,dbalders/Ghost,acburdine/Ghost,JohnONolan/Ghost,sebgie/Ghost,ErisDS/Ghost,lukekhamilton/Ghost,cwonrails/Ghost,novaugust/Ghost,BlueHatbRit/Ghost,kevinansfield/Ghost,SkynetInc/steam,rizkyario/Ghost,rizkyario/Ghost,leninhasda/Ghost,dbalders/Ghost,tidyui/Ghost,ballPointPenguin/Ghost,singular78/Ghost,jomahoney/Ghost,novaugust/Ghost,adam-paterson/blog,adam-paterson/blog,singular78/Ghost,TryGhost/Ghost,Gargol/Ghost,vainglori0us/urban-fortnight,olsio/Ghost,acburdine/Ghost,mohanambati/Ghost,stridespace/Ghost