message: update(courses.md): Add Ionic: Tips, Tricks & Techniques course
diff: @@ -21,9 +21,11 @@ by Simon Grimm
  Learn Ionic with step-by-step video courses & quick wins from one of the Ionic community leaders. Covers beginner, intermediate and advanced topics. Get access to a community of developers just like you.
  -### [Introducing Ionic 2](http://shop.oreilly.com/product/0636920050353.do)
  +### [Ionic Framework: Tips, Tricks & Techniques](https://www.packtpub.com/mobile/ionic-framework-tips-tricks-and-techniques-video)
  -by Mathieu Chauvinc
  +by Charles Muzonzini
  +
  +In this course, you will master tips and best practices for Ionic 4 & Ionic 5 that you can immediately implement to build high quality apps. This course covers a wide variety of topics from increasing app performance, to building custom native plugins, to securing your apps. It's a practical, hands-on course that will take your app building skills to the next level.
  ### [Building Deskop Apps with Ionic and Electron](https://pluralsight.pxf.io/VeMXO)
  @@ -69,6 +71,10 @@ the confidence to use the Ionic CLI as part of your everyday Ionic development.
  by Pluralsight
  +### [Introducing Ionic 2](http://shop.oreilly.com/product/0636920050353.do)
  +
  +by Mathieu Chauvinc
  +
  ### [Ionic 2 Master Course](https://www.udemy.com/ionic-2-tutorial/)
  by Udemy
  