adding codecov GHA

.github/workflows/test-coverage.yaml

@@ -0,0 +1,35 @@
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: test-coverage
+
+permissions: read-all
+
+jobs:
+  test-coverage:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - 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
+            any::glmnet
+            any::pROC
+            any::survival
+          needs: coverage
+
+      - name: Test coverage
+        run: covr::codecov(quiet=FALSE)
+        shell: Rscript {0}