add crates link

Author: supinie

README.md

@@ -2,6 +2,7 @@
 
 # enc_rust
 
+![Crates.io Version](https://img.shields.io/crates/v/enc_rust)
 [![codecov](https://codecov.io/github/supinie/enc_rust/branch/main/graph/badge.svg?token=S7UTUFQ8M5)](https://codecov.io/github/supinie/enc_rust)
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 [![dependency status](https://deps.rs/repo/github/supinie/enc_rust/status.svg)](https://deps.rs/repo/github/supinie/enc_rust)