feat: Add GitHub Actions workflow for documentation publishing

- Add .github/workflows/docs.yml for automatic documentation deployment
- Configure workflow to build and deploy MkDocs site to GitHub Pages
- Add docs/requirements.txt with MkDocs dependencies
- Enable automatic deployment on pushes to main branch
- Support manual workflow dispatch and PR testing
- Documentation will be available at https://s-celles.github.io/cookiecutter-python-package/

Author: s-celles

.github/workflows/docs.yml

@@ -0,0 +1,65 @@
+name: Documentation
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - 'docs/**'
+      - 'mkdocs.yml'
+      - '.github/workflows/docs.yml'
+  pull_request:
+    branches: [ main ]
+    paths:
+      - 'docs/**'
+      - 'mkdocs.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r docs/requirements.txt
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Build documentation
+        run: mkdocs build --clean --strict
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: site
+
+  deploy:
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

docs/requirements.txt

@@ -0,0 +1,3 @@
+mkdocs>=1.5.0
+mkdocs-material>=9.0.0
+mkdocs-git-revision-date-localized-plugin>=1.2.0