add deployment script

Author: jalvesz

.github/workflows/docs.yml

@@ -0,0 +1,62 @@
+name: Deploy documentation
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "docs/**"
+      - "src/**"
+      - "example/**"
+      - "pyproject.toml"
+      - "setup.py"
+      - "README.md"
+      - "VERSION"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+          cache: "pip"
+
+      - name: Install package + doc dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install ".[docs]"
+
+      - name: Build Sphinx HTML
+        run: |
+          make -C docs html
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/_build/html
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4