Add circleci auto tests

.circleci/config.yml

@@ -0,0 +1,23 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:latest
+    working_directory: ~/flaska
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: |
+            npm install
+            npm list --all
+      - run:
+          name: Run tests
+          command: |
+            npm test
+
+workflows:
+  version: 2
+  build_deploy:
+    jobs:
+      - build