add codecov back

README.md

@@ -2,7 +2,7 @@
 
 <img width="800" src="./assets/cover.png" alt="Cover picture with demo" />
 
-[![Build and Test](https://github.com/bxrne/launchrail/actions/workflows/ci.yaml/badge.svg)](https://github.com/bxrne/launchrail/actions/workflows/ci.yaml) [![Go Reference](https://pkg.go.dev/badge/github.com/bxrne/launchrail.svg)](https://pkg.go.dev/github.com/bxrne/launchrail) [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=coverage)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail) [![Code Smells](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=code_smells)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail)
+[![Build and Test](https://github.com/bxrne/launchrail/actions/workflows/ci.yaml/badge.svg)](https://github.com/bxrne/launchrail/actions/workflows/ci.yaml) [![Go Reference](https://pkg.go.dev/badge/github.com/bxrne/launchrail.svg)](https://pkg.go.dev/github.com/bxrne/launchrail) [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=coverage)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail) [![Code Smells](https://sonarcloud.io/api/project_badges/measure?project=bxrne_launchrail&metric=code_smells)](https://sonarcloud.io/summary/new_code?id=bxrne_launchrail) [![codecov](https://codecov.io/gh/bxrne/launchrail/graph/badge.svg?token=HDTJQK087F)]
 
 > ”Can the Black-Scholes model be adapted to simulate risk-neutral baseline trajectories for high powered rocket launches?”