docs: link to io-ts repo

Author: holvonixAdvay

README.md

@@ -10,7 +10,7 @@
 [![Code Style: Google](https://img.shields.io/badge/code%20style-google-blueviolet.svg)](https://github.com/google/gts)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 
-`io-ts-fuzzer` lets you generate examples of a given `io-ts` type.
+`io-ts-fuzzer` lets you generate examples of a given [`io-ts`](https://github.com/gcanti/io-ts) type.
 
 ## Quick Start