chore(build): Migrate to Circle CI 2 workflows

.circleci/config.yml

@@ -0,0 +1,34 @@
+version: 2
+jobs:
+  test:
+    docker:
+      - image: circleci/node:latest-browsers
+    steps:
+      - checkout
+      - restore_cache:
+          key: yarn-cache
+      - run: yarn
+      - run: yarn run ci
+      - run: yarn run example:build:prod
+      - run: yarn run example:test --watch=false
+      - save_cache:
+          key: yarn-cache
+          paths:
+            - ~/.cache/yarn
+            - node_modules
+  deploy:
+    docker:
+      - image: circleci/node:latest-browsers
+    steps:
+      - run: yarn run deploy:builds
+workflows:
+  version: 2
+  build-test-deploy:
+    jobs:
+      - test
+      - deploy:
+          requires:
+            - test
+          filters:
+            branches:
+              only: master