Add codecov and badges

.github/workflows/test-coverage.yaml

@@ -0,0 +1,31 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: test-coverage
+
+jobs:
+  test-coverage:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::covr
+          needs: coverage
+
+      - name: Test coverage
+        run: covr::codecov(quiet = FALSE)
+        shell: Rscript {0}

README.Rmd

@@ -16,6 +16,10 @@ knitr::opts_chunk$set(
 # ARDL <img src="man/figures/logo.png" align="right" width="120" />
 
 <!-- badges: start -->
+[![downloads](https://cranlogs.r-pkg.org/badges/grand-total/ARDL)](https://CRAN.R-project.org/package=ARDL)
+[![CRAN status](https://www.r-pkg.org/badges/version/ARDL)](https://CRAN.R-project.org/package=ARDL)
+[![Lifecycle: stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
+[![codecov](https://codecov.io/gh/Natsiopoulos/ARDL/branch/master/graph/badge.svg?token=PVZAY57F3D)](https://codecov.io/gh/Natsiopoulos/ARDL)
 <!-- badges: end -->
 
 ## Overview

README.md

@@ -4,6 +4,13 @@
 # ARDL <img src="man/figures/logo.png" align="right" width="120" />
 
 <!-- badges: start -->
+
+[![downloads](https://cranlogs.r-pkg.org/badges/grand-total/ARDL)](https://CRAN.R-project.org/package=ARDL)
+[![CRAN
+status](https://www.r-pkg.org/badges/version/ARDL)](https://CRAN.R-project.org/package=ARDL)
+[![Lifecycle:
+stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
+[![codecov](https://codecov.io/gh/Natsiopoulos/ARDL/branch/master/graph/badge.svg?token=PVZAY57F3D)](https://codecov.io/gh/Natsiopoulos/ARDL)
 <!-- badges: end -->
 
 ## Overview