Add github workflow to copy latest cf.yml to s3 bucket.

Author: m-chandler

.github/workflows/blank.yml

@@ -0,0 +1,22 @@
+name: Push to S3
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup AWS CLI
+        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: us-east-1
+      - name: Copy cf.yml to S3 bucket
+        run: |
+          aws s3 cp cf.yml s3://factorio-spot-pricing