Add lint step to pipelines

bitbucket-pipelines.yml

@@ -18,6 +18,10 @@ definitions:
         POSTGRES_HOST_AUTH_METHOD: trust
 
 aliases:
+- &lint
+  name: lint
+  script:
+    - npm run lint --prefix client
 - &unittest-python
   name: run python unit tests
   caches:
@@ -78,6 +82,7 @@ aliases:
 
 pipelines:
   default:
+  - step: *lint
   - step: *unittest-python
   - step: *cypress-test
   - step: *jest-test
@@ -91,6 +96,7 @@ pipelines:
     - step: *deploy-prod-manual
 
     develop:
+    - step: *lint
     - step: *unittest-python
     - step: *cypress-test
     - step: *jest-test