Add publish Action

Signed-off-by: George Melikov <mail@gmelikov.ru>

.github/workflows/publish.yml

@@ -0,0 +1,21 @@
+name: Publish Github Pages
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: ammaraskar/sphinx-action@master
+      with:
+        pre-build-command: "apt-get update -y && apt-get install -y python3-pip && pip install -r docs/requirements.txt"
+        docs-folder: "docs/"
+    - name: Deploy
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: ./docs/_build/html