Improve JavaFX Learn intro

learn/javafx/intro/readme.md

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-How do I make a simple JavaFX Desktop application? Modern software apps require Graphic User Interfaces (GUIs), and JavaFX is a well-liked framework for creating them. With JavaFX, programmers can easily build GUIs that are both highly interactive and aesthetically pleasing.
+Modern software apps require Graphic User Interfaces (GUIs), and JavaFX is a well-liked framework for creating them. With JavaFX, programmers can easily build GUIs that are both highly interactive and aesthetically pleasing.
+
+## Learn How to Make a JavaFX Desktop Application
 
 In the following sections, you will learn how to use JavaFX to build such a user interface. You can follow each of the steps to gain more knowledge about the use of JavaFX, or just skip to the items of your interest.
 
+## Source Code
+
 Where applicable, a button is available that will bring you to a code repository with the full example code as a Maven or Gradle project that you can clone and execute in your IDE.
 
-A lot of the tutorials in this section are provided by Edward Nyirenda Jr, and we would really like to thank you for the great content he has written for his personal blog, and may reuse here on JFX Central.
+![](source-button.png)
+
+## Thanks To...
+
+A lot of the tutorials in this section are provided by [Edward Nyirenda Jr](https://www.jfx-central.com/people/e.nyirenda), and we would really like to thank him for the great content he has written for his personal blog, that we may reuse here on JFX Central.