Fix readme badges (#8)

Fix broken README badges

README.md

@@ -1,9 +1,10 @@
 # thor-devkit.rs
 
-[<img alt="github" src="https://img.shields.io/badge/github-sterliakov/thor--devkit.rs-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="22">](https://github.com/sterliakov/thor-devkit)
-[<img alt="crates.io" src="https://img.shields.io/crates/v/thor-devkit.svg?style=for-the-badge&color=fc8d62&logo=rust" height="22">](https://crates.io/crates/thor-devkit)
-[<img alt="docs.rs" src="https://img.shields.io/docsrs/thor-devkit/latest?style=for-the-badge&labelColor=555555&logoColor=white&logo=data:image/svg+xml;base64,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" height="22">](https://docs.rs/thor-devkit)
-[<img alt="build status" src="https://img.shields.io/github/workflow/status/sterliakov/thor-devkit/build/master?style=for-the-badge" height="22">](https://github.com/sterliakov/thor-devkit/actions?query=branch%3Amain)
+![Crates.io](https://img.shields.io/crates/v/thor-devkit.rs?logo=rust)
+![docs.rs](https://img.shields.io/docsrs/thor-devkit.rs)
+![Build](https://img.shields.io/github/actions/workflow/status/sterliakov/thor-devkit.rs/build.yml?logo=github)
+![Test](https://img.shields.io/github/actions/workflow/status/sterliakov/thor-devkit.rs/test.yml?logo=github&label=test)
+![Codecov](https://img.shields.io/codecov/c/github/sterliakov/thor-devkit.rs)
 
 <!-- cargo-rdme start -->