use github actions to build pages

Author: gtmanfred

.github/workflows/gh-pages.yml

@@ -0,0 +1,34 @@
+name: GitHub Pages
+
+on:
+  push:
+    branches:
+      - website
+  pull_request:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    permissions:
+      contents: write
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+
+      - run: python3 -m pip install -r requirements.txt
+      - run: git submodule update --init
+      - run: python3 -m pelican content -vvv -o output -s pelicanconf.py
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/website' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./output
+          publish_branch: master