Update README.md with JFXCentral link

Author: Jugen

README.md

@@ -1,5 +1,5 @@
 
-RichTextFX
+RichTextFX  
 ==========
 
 RichTextFX provides a memory-efficient text area for JavaFX that allows the developer to style ranges of text, display custom objects in-line (no more `HTMLEditor`), and override specific default behaviors only where necessary.
@@ -10,6 +10,8 @@ Use the library as a foundation for building rich text editors and code editors
 
 For further details about RichTextFX, its design principles, how it works, and applying CSS styling, [see the wiki](https://github.com/FXMisc/RichTextFX/wiki).
 
+[![JFXCentral](https://img.shields.io/badge/Find_me_on-JFXCentral-blue?logo=googlechrome&logoColor=white)](https://www.jfx-central.com/libraries/richtextfx)
+
 Demos
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