Update links.md

Author: DeborahK

links.md

@@ -8,6 +8,7 @@ Here are some useful links that are referenced in or supplement this course:
 | Course | Pluralsight course | https://app.pluralsight.com/library/courses/angular-2-getting-started-update
 | Course discussion | Discussion page for the course | https://app.pluralsight.com/library/courses/angular-2-getting-started-update/discussion
 | Angular documentation | Official Angular documentation | https://angular.io/
+| Angular Errors List | Official Angular documentation | https://angular.io/errors
 | Angular: Getting Started Problem Solver | Blog post that identifies common issues you may run into when using the sample code in this course, along with solutions. | http://blogs.msmvps.com/deborahk/angular-2-getting-started-problem-solver/
 | Stackblitz | Try out Angular in your browser without downloading anything | https://stackblitz.com/github/DeborahK/Angular-GettingStarted/tree/master/APM-Start
 | Angular npm packages | List of Angular npm packages | https://www.npmjs.com/~angular