Add lint stage

.gitlab-ci.yml

 stages:
+  - lint
   - test
   - review
   - build
@@ -6,6 +7,16 @@ stages:
 variables:
   PIP_CACHE_DIR: "$CI_PROJECT_DIR/pip-cache"
 
+lint:
+  stage: lint
+  image: buildkita/puppeteer:10.0.0
+  script:
+    - yarn lint --max-warnings 0 --no-fix
+  cache:
+    key: front_node_modules
+    paths:
+      - "node_modules"
+
 test_jsonld_ns:
   stage: test
   image: python:3