Setup coverage with coverall

README.md

@@ -6,7 +6,7 @@
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-teal.svg)](https://opensource.org/licenses/MIT) [![Stars](https://img.shields.io/github/stars/veeso/tui-realm.svg)](https://github.com/veeso/tui-realm) [![Downloads](https://img.shields.io/crates/d/tuirealm.svg)](https://crates.io/crates/tuirealm) [![Crates.io](https://img.shields.io/badge/crates.io-v0.2.2-orange.svg)](https://crates.io/crates/tuirealm) [![Docs](https://docs.rs/tuirealm/badge.svg)](https://docs.rs/tuirealm)  
 
-[![Build](https://github.com/veeso/tui-realm/workflows/Linux/badge.svg)](https://github.com/veeso/tui-realm/actions) [![Build](https://github.com/veeso/tui-realm/workflows/MacOS/badge.svg)](https://github.com/veeso/tui-realm/actions) [![Build](https://github.com/veeso/tui-realm/workflows/Windows/badge.svg)](https://github.com/veeso/tui-realm/actions) [![codecov](https://codecov.io/gh/veeso/tui-realm/branch/main/graph/badge.svg?token=au67l7nQah)](https://codecov.io/gh/veeso/tui-realm)
+[![Build](https://github.com/veeso/tui-realm/workflows/Linux/badge.svg)](https://github.com/veeso/tui-realm/actions) [![Build](https://github.com/veeso/tui-realm/workflows/MacOS/badge.svg)](https://github.com/veeso/tui-realm/actions) [![Build](https://github.com/veeso/tui-realm/workflows/Windows/badge.svg)](https://github.com/veeso/tui-realm/actions) [![Coverage Status](https://coveralls.io/repos/github/veeso/tui-realm/badge.svg?branch=coverall)](https://coveralls.io/github/veeso/tui-realm?branch=coverall)
 
 Developed by Christian Visintin  
 Current version: 0.2.2 (02/05/2021)