Update README.md

Author: djabif

README.md

@@ -21,3 +21,14 @@ We will explain you the core concepts of: FormControl, FormGroup, FormBuilder an
 We want this to be the best ionic 4 forms tutorial, so we created advanced custom validators to show you how to validate passwords, phone numbers and unique usernames.
 
 Learn more in https://ionicthemes.com/tutorials/about/forms-and-validation-in-ionic
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+### Get a premium Ionic 4 Starter App
+Did you know that we recently released [Ionic 4 Full Starter App](https://ionicthemes.com/product/ionic4-full-starter-app)? It's an ionic 4 template that you can use to jump start your Ionic app development and save yourself hundreds of hours of design and development.
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+It is also a PWA and has a score of 100 in lighthouse. Try it on your phone as a PWA to see the magic!
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+It also has lots of forms and validations examples.
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+<img src="https://s3-us-west-2.amazonaws.com/ionicthemes/cover_images/redesign/ionic4-full-starter-app.jpg"/>