add coverage badge

Author: eddelbuettel

ChangeLog

@@ -1,9 +1,13 @@
 2021-06-06  Dirk Eddelbuettel  <[email protected]>
 
+	* README.md: Added coverage badge
+
 	* .github/workflows/ci.yaml (jobs): Turn on coverage
 	* .covrignore: Added
 	* .codecov.yml (ignore): Idem
 
+	* R/RcppEigen.package.skeleton.R: Set nocov
+
 2021-05-09  Dirk Eddelbuettel  <[email protected]>
 
 	* DESCRIPTION (URL): Add GitHub repo to URL field

README.md

@@ -1,13 +1,14 @@
-## RcppEigen: Rcpp Integration for the Eigen Templated Linear Algebra Library
+## RcppEigen: R and Eigen via Rcpp
 
 [![Build Status](https://travis-ci.org/RcppCore/RcppEigen.svg)](https://travis-ci.org/RcppCore/RcppEigen)
 [![CI](https://github.com/RcppCore/RcppEigen/workflows/ci/badge.svg)](https://github.com/RcppCore/RcppEigen/actions?query=workflow%3Aci)
 [![License](https://img.shields.io/badge/license-GPL%20%28%3E=%202%29-brightgreen.svg?style=flat)](https://www.gnu.org/licenses/gpl-2.0.html)
 [![License](https://img.shields.io/badge/license-MPL2-brightgreen.svg?style=flat)](https://www.mozilla.org/MPL/2.0/)
 [![CRAN](https://www.r-pkg.org/badges/version/RcppEigen)](https://cran.r-project.org/package=RcppEigen)
 [![Dependencies](https://tinyverse.netlify.com/badge/RcppEigen)](https://cran.r-project.org/package=RcppEigen)
+[![Coverage Status](https://codecov.io/gh/RcppCore/RcppEigen/graph/badge.svg)](https://codecov.io/github/RcppCore/RcppEigen?branch=master)
 [![Debian package](https://img.shields.io/debian/v/r-cran-rcppeigen/sid?color=brightgreen)](https://packages.debian.org/sid/r-cran-rcppeigen)
-[![Last Commit](https://img.shields.io/github/last-commit/RcppCore/RcppEigen)](https://github.com/RcppCore/RcppEigen)  
+[![Last Commit](https://img.shields.io/github/last-commit/RcppCore/RcppEigen)](https://github.com/RcppCore/RcppEigen)
 [![Downloads](https://cranlogs.r-pkg.org/badges/RcppEigen?color=brightgreen)](https://www.r-pkg.org:443/pkg/RcppEigen)
 [![CRAN use](https://jangorecki.gitlab.io/rdeps/RcppEigen/CRAN_usage.svg?sanitize=true)](https://cran.r-project.org/package=RcppEigen)
 [![BioConductor use](https://jangorecki.gitlab.io/rdeps/RcppEigen/BioC_usage.svg?sanitize=true)](https://cran.r-project.org/package=RcppEigen)