Added gitlab config

.gitlab-ci.yml

@@ -0,0 +1,20 @@
+image: node:8
+
+before_script:
+  - yarn install
+
+cache:
+  paths:
+    - node_modules/
+
+flow:
+  script:
+    - yarn run flow
+
+test:lint:
+  script:
+    - yarn run lint
+
+test:unit:
+  script:
+    - yarn run test