Update README.md

Author: GyverLibs

README.md

@@ -24,6 +24,7 @@
 - [GSON](https://github.com/GyverLibs/GSON) v1.5+
 - [StringUtils](https://github.com/GyverLibs/StringUtils) v1.4.14+
 - [GyverHTTP](https://github.com/GyverLibs/GyverHTTP) v1.0.2+
+- [GTL](https://github.com/GyverLibs/GTL) v1.1.7+
 
 ## Содержание
 - [Документация](#docs)