chore: setup R CMD check action

.Rbuildignore

@@ -22,3 +22,4 @@ README.html
 bug_reports/*
 ^revdep/
 ^_pkgdown.yml$
+^\.github$

.github/.gitignore

@@ -0,0 +1 @@
+*.html

.github/workflows/R-CMD-check.yaml

@@ -0,0 +1,89 @@
+# 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]
+    paths:
+      - 'data/**'
+      - 'R/**'
+      - 'inst/**'
+      - 'man/**'
+      - 'src/**'
+      - 'tests/**'
+      - 'vignettes/**'
+      - 'DESCRIPTION'
+      - 'NAMESPACE'
+      - 'LICENSE'
+      - '.Rbuildignore'
+      - '.github/workflows/R-CMD-check.yaml'
+  merge_group:
+  pull_request:
+    branches: [main, master]
+    paths:
+      - 'data/**'
+      - 'R/**'
+      - 'inst/**'
+      - 'man/**'
+      - 'src/**'
+      - 'tests/**'
+      - 'vignettes/**'
+      - 'DESCRIPTION'
+      - 'NAMESPACE'
+      - 'LICENSE'
+      - '.Rbuildignore'
+      - '.github/workflows/R-CMD-check.yaml'
+
+name: R-CMD-check
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macOS-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
+
+    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: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        id: rcmdcheck
+        with:
+          upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
+
+      # fail-fast but only if rcmdcheck step fails
+      - name: Manual fail-fast
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        if: always() && steps.rcmdcheck.outcome == 'failure'
+        run: gh run cancel ${{ github.run_id }}