Update readme for coverage. badge doesnt work yet due to branch

Author: roblandry

README.md

@@ -2,8 +2,8 @@
 [![GH-release](https://img.shields.io/github/v/release/Elwinmage/ha-reefbeat-component.svg?style=flat-square)](https://github.com/Elwinmage/ha-reefbeat-component/releases)
 [![GH-last-commit](https://img.shields.io/github/last-commit/Elwinmage/ha-reefbeat-component.svg?style=flat-square)](https://github.com/Elwinmage/ha-reefbeat-component/commits/main)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
-![coverage](badges/coverage.svg)
-
+<!-- ![coverage](badges/coverage.svg) -->
+![Coverage](https://codecov.io/gh/roblandry/ha-reefbeat-component/branch/refactor/hass-modernization/graph/badge.svg)
 [![GitHub Clones](https://img.shields.io/badge/dynamic/json?color=success&label=clones&query=count&url=https://gist.githubusercontent.com/Elwinmage/cd478ead8334b09d3d4f7dc0041981cb/raw/clone.json&logo=github)](https://github.com/MShawon/github-clone-count-badge)
 [![GH-code-size](https://img.shields.io/github/languages/code-size/Elwinmage/ha-reefbeat-component.svg?color=red&style=flat-square)](https://github.com/Elwinmage/ha-reefbeat-component) 
 [![BuyMeCoffee][buymecoffeebadge]][buymecoffee]