Update the README to point to the smartdevicelink.com guides
Update the README to point to the smartdevicelink.com guides

kshala-ford/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,APCVSRepo/sdl_ios,davidswi/sdl_ios,davidswi/sdl_ios,davidswi/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,davidswi/sdl_ios,FordDev/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,FordDev/sdl_ios,davidswi/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,smartdevicelink/sdl_ios,FordDev/sdl_ios