update README

Author: fin-w

README.md

@@ -33,7 +33,7 @@
 
 
 ## Features
-* Supports [69 languages](https://github.com/greyblake/whatlang-rs/blob/master/SUPPORTED_LANGUAGES.md)
+* Supports [70 languages](https://github.com/greyblake/whatlang-rs/blob/master/SUPPORTED_LANGUAGES.md)
 * 100% written in Rust
 * Lightweight, fast and simple
 * Recognizes not only a language, but also a script (Latin, Cyrillic, etc)