feat: add docs action

Author: sophec

.github/workflows/release-docs.yml

@@ -0,0 +1,51 @@
+name: Publish Docs
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup venv
+        run: |
+          python -m venv .venv
+          . .venv/bin/activate
+          python -m pip install -r docs/doc-requirements.txt
+
+      - name: Run Sphinx
+        run: |
+          . .venv/bin/activate
+          python -m sphinx -an docs docs/_build
+
+      - name: Setup pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'docs/_build'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4