First pass at automatic deployment

.circleci/config.yml

@@ -63,3 +63,24 @@ jobs:
           command: |
             export PATH=$PWD/firefox:$PATH
             make test
+
+  deploy:
+    machine:
+      enabled: true
+    steps:
+      - run:
+          name: Deploy to Github Pages
+          command: |
+            .circleci/deploy.sh
+
+workflows:
+  version: 2
+  build-and-deploy:
+    jobs:
+      - build
+      - deploy:
+          requires:
+            - build
+          filters:
+            branches:
+              only: master

.circleci/deploy.sh

+#!/bin/bash
+set -x -e
+git clone git@github.com:iodide-project/pyodide-demo
+cp build/* pyodide-demo
+cd pyodide-demo
+git checkout --orphan tmp
+git add *
+git config --global user.email "deploybot@nowhere.com"
+git config --global user.name "Deploybot"
+git commit -m "Deployed from Circle-CI $CIRCLE_BUILD_NUM"
+git checkout master
+git reset --hard tmp
+git push origin -f master