add workflow to test python docs deployment

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Test
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  pdocs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
+          cache: 'pip'
+
+      - run: pip install maturin pdoc
+
+      - run: maturn build
+
+      - run: pip install --no-index --find-links target/wheels/ dwat
+
+      - run: pdoc -o docs/ python_stubs/dwat
+
+      - uses: actions/upload-pages-artifact@v1
+        with:
+          path: docs/