Add gitlab CI

.gitlab-ci.yml

@@ -0,0 +1,25 @@
+image: node:latest
+
+stages:
+  - test
+  - build
+
+cache:
+  key: "$CI_COMMIT_REF_SLUG"
+  paths:
+    - node_modules/
+    - dist/
+
+before_script:
+  - npm install
+  - npm run lint
+
+test:
+  stage: test
+  script:
+    - npm run test
+
+build:
+  stage: build
+  script:
+    - npm run build