ci: add check for sphinx autodocs

Fix #115

.github/workflows/ci.yml

@@ -89,6 +89,24 @@ jobs:
  run: |
  codeblocks python README.md | python
 
+ docs:
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v2
+ - name: Set up Python ${{ env.X_PYTHON_VERSION }}
+ uses: actions/setup-python@v2
+ with:
+ python-version: ${{ env.X_PYTHON_VERSION }}
+ - name: Install Python dependencies
+ run: |
+ python -m pip install --upgrade pip
+ pip install -r requirements.txt
+ pip install -r docs/add-requirements.txt
+ - name: Check documentation for errors
+ run: |
+ SPHINXOPTS="-a -E -n -W --keep-going" make -C docs html
+
  package:
  runs-on: ubuntu-latest