Update badge links

Author: leonlan

README.md

@@ -3,10 +3,10 @@
 
 
 # FJSPLIB
-![PyPI](https://img.shields.io/pypi/v/FJSPLIB?style=flat-square)
-![License](https://img.shields.io/pypi/l/FJSPLIB?style=flat-square)
-![CI](https://img.shields.io/github/actions/workflow/status/leonlan/FJSPLIB/.github%2Fworkflows%2FCI.yml?style=flat-square)
-![Codecov](https://img.shields.io/codecov/c/github/leonlan/FJSPLIB?style=flat-square)
+[![PyPI](https://img.shields.io/pypi/v/FJSPLIB?style=flat-square)](https://pypi.org/project/fjsplib/)
+[![License](https://img.shields.io/github/license/leonlan/FJSPLIB?style=flat-square&color=blue)](https://github.com/leonlan/FJSPLIB/)
+[![CI](https://img.shields.io/github/actions/workflow/status/leonlan/FJSPLIB/.github%2Fworkflows%2FCI.yml?style=flat-square)](https://github.com/leonlan/FJSPLIB/)
+[![Codecov](https://img.shields.io/codecov/c/github/leonlan/FJSPLIB?style=flat-square)](https://app.codecov.io/gh/leonlan/FJSPLIB/)
 
 FJSPLIB is a Python package for reading and writing flexible job shop problem (FJSP) instances.