ci: Deploy documentation into GitHub Pages

.github/workflows/deploy-docs.yml

@@ -0,0 +1,47 @@
+name: Deploy docs
+
+on:
+  push:
+    branches:
+      - 'main'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          architecture: x64
+          python-version: '3.10'
+      - name: Install dependencies
+        run: |
+          pip install '.[docs]'
+      - name: Build documentation
+        run: |
+          make -C docs dirhtml
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: docs/_build/dirhtml/
+  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@v1

pyproject.toml

@@ -26,14 +26,15 @@ dependencies = [
 dynamic = ["version", "description"]
 
 [project.optional-dependencies]
-doc = []
+docs = []
 test = [
   "BeautifulSoup4",
   "pytest ==7.*",
 ]
 
 [project.urls]
 Home = "https://github.com/atsphinx/color-text"
+Document = "https://atsphinx.github.io/color-text"
 
 [tool.flit.module]
 name = "atsphinx.color_text"