ci: use gh-pages & _site folder

.github/workflows/render-website.yaml

@@ -2,11 +2,14 @@ on:
   push:
     branches: main
 
+permissions:
+  contents: write
+
 name: Render & Deploy Site
 
 jobs:
   build:
-    runs-on: macOS-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
 
@@ -23,8 +26,9 @@ jobs:
 
       - name: Render Site
         run: Rscript -e 'rmarkdown::render_site(encoding = "UTF-8")'
-      - name: Commit results
-        run: |
-          git add -A
-          git commit -m 'Rebuild site' || echo "No changes to commit"
-          git push origin || echo "No changes to commit"
+
+      - name: Deploy 🚀
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: gh-pages
+          folder: "_site" # The folder the action should deploy.

.gitignore

@@ -19,3 +19,5 @@
 # User-specific files ----
 README.html
 inst/doc
+
+_site

_site.yml

@@ -6,7 +6,7 @@ base_url: https://theodatasci.github.io
 repository_url: https://github.com/theodatasci/theodatasci.github.io
 creative_commons: CC BY
 favicon: img/favicon.png
-output_dir: "."
+output_dir: "_site"
 navbar:
   logo:
     image: img/logo-theodatasci_150dpi.png