added docs workflow

.github/workflows/docs.yml

@@ -0,0 +1,26 @@
+name: Docs
+
+on:
+  release:
+    types: [published]
+
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: build docs
+      run: |
+        pip install tox
+        tox -e docs
+
+    - name: publish
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: ./docs/_build
+        publish_branch: netlify

tox.ini

@@ -55,3 +55,14 @@ deps =
 commands =
     pytest --cov=src/djlint --cov-branch --cov-report xml:coverage.xml --cov-report term-missing
 skip_install: false
+
+[testenv:docs]
+changedir = docs
+deps =
+    sphinx
+    myst-parser
+    sphinx_copybutton
+commands = sphinx-build -E -b html . _build
+setenv =
+    PYTHONDONTWRITEBYTECODE=1
+    DEBUG=False