Turn CONTRIBUTING.md into a link
Turn CONTRIBUTING.md into a link

iwadon/ninja,maruel/ninja,ninja-build/ninja,ninja-build/ninja,bradking/ninja,iwadon/ninja,bradking/ninja,ninja-build/ninja,Qix-/ninja,AoD314/ninja,Qix-/ninja,iwadon/ninja,bradking/ninja,maruel/ninja,ninja-build/ninja,sgraham/ninja,AoD314/ninja,AoD314/ninja,sgraham/ninja,bradking/ninja,Qix-/ninja,AoD314/ninja,iwadon/ninja,sgraham/ninja,Qix-/ninja,maruel/ninja,sgraham/ninja,maruel/ninja