add _pkgdown.yml and .github/workflows/pkgdown.yml GHA

Author: LiNk-NY

.github/workflows/pkgdown.yml

@@ -0,0 +1,64 @@
+# 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:
+    paths:
+      - '**.yml'
+    branches:
+      - pkgdown
+  release:
+    types: [published]
+  workflow_dispatch:
+
+name: pkgdown
+
+jobs:
+  pkgdown:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: devel
+
+      - name: Copy .github and _pkgdown.yml
+        run: |
+          git config --global --add safe.directory /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}
+          git fetch origin pkgdown
+          git checkout origin/pkgdown -- .github
+          git checkout origin/pkgdown -- _pkgdown.yml
+
+      - uses: r-lib/actions/setup-pandoc@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::pkgdown, local::.
+          needs: website
+
+      - name: Build site
+        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
+        shell: Rscript {0}
+
+      - name: Upload pkgdown artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs
+
+  deploy:
+    needs: pkgdown
+    permissions:
+      contents: write
+      pages: write
+      id-token: write
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
+

_pkgdown.yml

@@ -0,0 +1,7 @@
+title: BiocManager
+url: https://bioconductor.github.io/BiocManager
+
+template:
+  bootstrap: 5
+  params:
+    bootswatch: flatly