[FIX] Replace 59 by 65 languages

Author: RomainCscn

README.md

@@ -48,7 +48,7 @@ If you're not familiar with MyScript and Interactive Ink, consider discovering i
 * Styling,
 * Typeset support,
 * More than 200 mathematical symbols supported,
-* 59 supported languages.
+* 65 supported languages.
 
 You can discover all the features on our Developer website for [Text](https://developer.myscript.com/text) and [Math](https://developer.myscript.com/math).