added link to docs from consumption prefs
added link to docs from consumption prefs

watson-developer-cloud/personality-insights-nodejs,aprilwebster/personality-insights-nodejs,watson-developer-cloud/personality-insights-nodejs,vibhasinghal/personality-insights-nodejs,vibhasinghal/personality-insights-nodejs,aprilwebster/personality-insights-nodejs,jcarboneri/simple-tc-pi-blx-demo,jcarboneri/simple-tc-pi-blx-demo