Update README.md

Author: SableRaf

README.md

@@ -1,7 +1,7 @@
 # Processing 4 Javadoc
 This repository automatically generates the Javadoc for Processing 4 and hosts it on GitHub Pages at:
 
-https://processing.github.io/processing4-javadocs/
+👉 https://processing.github.io/processing4-javadocs/
 
 ## License
 The Processing 4 reference is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License ([CC-BY-NC-SA-4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)).