Update README.md

Author: paulhazen

.github/README.md

@@ -8,7 +8,7 @@
 
 <a href="">[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)</a>
 <a href="">![Unity](https://img.shields.io/badge/Unity-2021.3.16f1-blue)</a>
-<img src="tools/coverage/results/Report/badge_linecoverage.svg" />
+<img src="/tools/coverage/results/Report/badge_linecoverage.svg" />
 
 </div>