Added github actions

.github/workflows/gh-pages.yml

@@ -0,0 +1,50 @@
+name: github pages
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.8'
+
+      - name: Upgrade pip
+        run: |
+          # install pip=>20.1 to use "pip cache dir"
+          python3 -m pip install --upgrade pip
+
+      - name: Get pip cache dir
+        id: pip-cache
+        run: echo "::set-output name=dir::$(pip cache dir)"
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Install dependencies
+        run: python3 -m pip install -r ./requirements.txt
+
+      - name: Install dev dependencies
+        run: python3 -m pip install -r ./dev-requirements.txt
+
+      - name: Build docs
+        run: (cd docssrc && make html)
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: master
+          publish_dir: ./docs

.gitignore

@@ -1,6 +1,8 @@
 # Exclude locally built docs
 docs/
 .vscode/
+docssrc/_build/
+.idea/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/