new category 'Courses' added

README.md

@@ -17,6 +17,7 @@ _Source:_ [Google Developers - Progressive Web Apps](https://developers.google.c
 * [Videos](#videos)
 * [Tools](#tools)
 * [Kits](#kits)
+* [Courses](#courses)
 
 ## Apps
 
@@ -207,3 +208,9 @@ _Source:_ [Google Developers - Progressive Web Apps](https://developers.google.c
 * [`Web Starter Kit`](https://github.com/google/web-starter-kit): A workflow for multi-device websites.
 * [`Progressive Web Application skeleton`](https://github.com/PolymerLabs/progressive-webapp-config): A simple set of skeleton files for shipping a Progressive Web App.
 * [`pwabuilder`](http:https://www.pwabuilder.com/): All the tools you need to build and deploy your Progressive Web Apps.
+
+## Courses
+
+* [Getting Started with Progressive Web Apps](https://www.pluralsight.com/courses/web-apps-progressive-getting-started) (paid)
+* [Progressive Web App Fundamentals](https://www.pluralsight.com/courses/progressive-web-app-fundamentals) (paid)
+* [Intro to Progressive Web Apps](https://in.udacity.com/course/intro-to-progressive-web-apps--ud811) (free)