Update README.md

Author: thalissonvs

README.md

@@ -8,6 +8,8 @@
 </p>
 
 <p align="center">
+    <img src="https://codecov.io/github/thalissonvs/pydoll/graph/badge.svg?token=40I938OGM9"/> 
+    <img src="https://github.com/thalissonvs/pydoll/actions/workflows/tests.yml/badge.svg" alt="Tests">
     <img src="https://github.com/thalissonvs/pydoll/actions/workflows/ruff-ci.yml/badge.svg" alt="Ruff CI">
     <img src="https://github.com/thalissonvs/pydoll/actions/workflows/release.yml/badge.svg" alt="Release">
     <img src="https://tokei.rs/b1/github/thalissonvs/pydoll" alt="Total lines">