Make link to the code of conduct more prominent
Make link to the code of conduct more prominent

It was a bit hidden away in the Contributing guidelines.
HeadhunterXamd/VisualStudio,radnor/VisualStudio,modulexcite/VisualStudio,YOTOV-LIMITED/VisualStudio,github/VisualStudio,github/VisualStudio,yovannyr/VisualStudio,SaarCohen/VisualStudio,bbqchickenrobot/VisualStudio,mariotristan/VisualStudio,GuilhermeSa/VisualStudio,ChristopherHackett/VisualStudio,AmadeusW/VisualStudio,bradthurber/VisualStudio,luizbon/VisualStudio,GProulx/VisualStudio,github/VisualStudio,8v060htwyc/VisualStudio,shaunstanislaus/VisualStudio,Dr0idKing/VisualStudio,naveensrinivasan/VisualStudio,amytruong/VisualStudio,pwz3n0/VisualStudio,nulltoken/VisualStudio