Add last shields

Author: zmievsa

README.md

@@ -6,10 +6,22 @@
 
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-[![Tests](https://github.com/Ovsyanka83/autograder/actions/workflows/python-ci.yaml/badge.svg)](https://github.com/Ovsyanka83/autograder/actions/workflows/python-ci.yaml)
-![Codecov](https://img.shields.io/codecov/c/github/Ovsyanka83/autograder)
-![PyPI](https://img.shields.io/pypi/v/assignment-autograder)
-![PyPI - Python Version](https://img.shields.io/pypi/pyversions/assignment-autograder)
+
+<p align="center">
+<a href="https://github.com/ovsyanka83/autograder/actions?query=workflow%3ATests+event%3Apush+branch%3Amain" target="_blank">
+    <img src="https://github.com/Ovsyanka83/autograder/actions/workflows/python-ci.yaml/badge.svg?branch=main&event=push" alt="Test">
+</a>
+<a href="https://codecov.io/gh/ovsyanka83/autograder" target="_blank">
+    <img src="https://img.shields.io/codecov/c/github/ovsyanka83/autograder?color=%2334D058" alt="Coverage">
+</a>
+<a href="https://pypi.org/project/assignment-autograder/" target="_blank">
+    <img alt="PyPI" src="https://img.shields.io/pypi/v/assignment-autograder" alt="Package version">
+</a>
+<a href="https://pypi.org/project/assignment-autograder/" target="_blank">
+    <img src="https://img.shields.io/pypi/pyversions/assignment-autograder" alt="Supported Python versions">
+</a>
+</p>
+
 
 ## Features