Update README.md

Alexander-Barth · web-flow · commit 871ea3062228 · 2023-04-11T22:00:52.000+02:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 [![Build Status](https://github.com/JuliaGeo/CommonDataModel.jl/workflows/CI/badge.svg)](https://github.com/JuliaGeo/CommonDataModel.jl/actions)
+[![codecov.io](http://codecov.io/github/JuliaGeo/CommonDataModel.jl/coverage.svg?branch=main)](http://codecov.io/github/JuliaGeo/CommonDataModel.jl?branch=main)
 [![documentation dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliageo.github.io/CommonDataModel.jl/dev/)
 
 

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`@@ -1,4 +1,5 @@`
`1`	`1`	`[![Build Status](https://github.com/JuliaGeo/CommonDataModel.jl/workflows/CI/badge.svg)](https://github.com/JuliaGeo/CommonDataModel.jl/actions)`
	`2`	`+[![codecov.io](http://codecov.io/github/JuliaGeo/CommonDataModel.jl/coverage.svg?branch=main)](http://codecov.io/github/JuliaGeo/CommonDataModel.jl?branch=main)`
`2`	`3`	`[![documentation dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliageo.github.io/CommonDataModel.jl/dev/)`
`3`	`4`
`4`	`5`