Migrate TravisCI to GitHub Actions

.github/workflows/main.yml

@@ -0,0 +1,51 @@
+name: R Build & Check
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: 'release'
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: |
+            any::rcmdcheck
+            magrittr
+            stringr
+            MASS
+            rmarkdown
+          needs: check
+
+      - name: Check
+        uses: r-lib/actions/check-r-package@v2
+        with:
+          error-on: '"error"'
+
+      # Replicating Travis 'after_failure' step
+      - name: Dump logs on failure
+        if: failure()
+        run: |
+          if [ -f ./travis-tool.sh ]; then
+            chmod +x ./travis-tool.sh
+            ./travis-tool.sh dump_logs
+          else
+             echo "travis-tool.sh not found, skipping dump_logs"
+          fi