feat: add docs to CI

Author: heitorlessa

.github/workflows/python_docs.yml

@@ -0,0 +1,40 @@
+name: deploy
+
+on:
+  pull_request:
+    branches:
+      - develop
+      - master
+    paths:
+      - "python/**"
+  push:
+    branches:
+      - develop
+      - master
+    paths:
+      - "python/**"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          make dev
+        working-directory: ./python/
+      - name: build docs
+        run: |
+          make docs
+        working-directory: ./python/
+      - name: deploy docs
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs/aws_lambda_powertools/
+        working-directory: ./python/