add build and deploy to s3 upon merge to master action (#51)

Author: mmcky

.github/workflows/deploy-s3.yml

@@ -0,0 +1,41 @@
+name: Build Website and Deploy to S3
+on:
+  push:
+    branches:
+      - master
+jobs:
+  build-cache:
+    name: Build Website
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Anaconda
+        uses: goanpeca/setup-miniconda@v1
+        with:
+          auto-update-conda: true
+          auto-activate-base: true
+          miniconda-version: 'latest'
+          python-version: 3.7
+          environment-file: environment.yml
+          activate-environment: qe-lectures
+      - name: Checkout QuantEcon theme
+        uses: actions/checkout@v2
+        with:
+          repository: QuantEcon/lecture-python-programming.theme
+          token: ${{ secrets.ACTIONS_PAT }}
+          path: theme/lecture-python-programming.theme
+      - name: Build Website files
+        shell: bash -l {0}
+        run: |
+          make website THEMEPATH=theme/lecture-python-programming.theme
+          ls _build/website/jupyter_html/*
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ap-southeast-2
+      - name: Copy files to S3 with the AWS CLI
+        run: |
+          aws s3 sync _build/website/jupyter_html/* s3://test.python.quantecon.org/