actions for deployment of docs

.github/workflows/deploy_docs.yml

@@ -0,0 +1,40 @@
+name: Deploy documentations to GitHub Pages
+
+on:
+  release:
+    types: [ created ]
+
+  push:
+    branches: [ master ]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.3.2
+        run: |
+          python dev.py --with-docs
+          mkdocs build
+
+      - name: Commit documentation changes
+        run: |
+          git clone https://github.com/publichealthengland/coronavirus-dashboard-api-python-sdk.git --branch gh-pages --single-branch gh-pages
+          cp -r docs/* gh-pages/
+          cd gh-pages
+          VERSION=$(python setup.py -V)
+          echo ${VERSION} >> version
+          > .nojekyll
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          git add .
+          git commit -m "Update documentations" -a || true
+          echo "Documentations for v${VERSION} has been deployed."
+          # The above command will fail if no changes were present, so we ignore
+          # the return code.
+
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          branch: gh-pages
+          directory: gh-pages
+          github_token: ${{ secrets.GITHUB_TOKEN }}