update to readme

Author: MehrazRumman

README.md

@@ -3,7 +3,7 @@
 FastAPI Observer provides structured logging and observability helpers for FastAPI applications.
 
 [![Test](https://github.com/MehrazRumman/fastapi-observer/actions/workflows/tests.yml/badge.svg)](https://github.com/MehrazRumman/fastapi-observer/actions/workflows/tests.yml)
-[![coverage](https://raw.githubusercontent.com/MehrazRumman/fastapi-observer/main/assets/coverage.svg)](https://github.com/MehrazRumman/fastapi-observer/actions/workflows/coverage-badge.yml)
+[![coverage](assets/coverage.svg)](https://github.com/MehrazRumman/fastapi-observer/actions/workflows/coverage-badge.yml)
 [![pypi package](https://img.shields.io/pypi/v/fastapi-observer?logo=pypi&label=pypi%20package)](https://pypi.org/project/fastapi-observer/)
 [![python](https://img.shields.io/badge/python-3.10%20%7C%203.11%20%7C%203.12%20%7C%203.13%20%7C%203.14-brightgreen?logo=python&logoColor=white)](#python-compatibility)