Added github action to publish website to gh pages.

Author: pantierra

.github/workflows/publish-website.yml

@@ -0,0 +1,46 @@
+name: Build and Deploy Pelican Site
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: '16'
+
+    - name: Install Node.js dependencies
+      run: |
+        npm install -g less
+
+    - name: Install Python dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pelican markdown
+        pip install fabric3 livereload
+
+    - name: Build site
+      run: |
+        lessc themes/mombacho/static/css/style.less -x > themes/mombacho/static/css/style.min.css
+        pelican -s publishconf.py
+        cp -r extra/* output/ || true
+        cp -r extra/.htaccess output/ || true
+
+    - name: Deploy to GitHub Pages
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: ./output
+        publish_branch: gh-pages