ci: add pkgdown workflow for docs-gh-actions

Author: NewGraphEnvironment

.github/workflows/pkgdown.yaml

@@ -0,0 +1,24 @@
+name: pkgdown
+
+on:
+  push:
+    branches: [docs-gh-actions]
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  pkgdown:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: r-lib/actions/setup-r@v2
+      - uses: r-lib/actions/setup-pandoc@v2
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::pkgdown, local::.
+          needs: website
+      - name: Build and deploy site
+        run: pkgdown::deploy_to_branch(new_process = FALSE)
+        shell: Rscript {0}