switch to new image

.gitlab-ci.yml

-image: kkarczmarczyk/node-yarn:latest
+image: wkuipers/docker-react-native-yarn:latest
 
 stages:
-    - test
+    - build
 
 cache:
     untracked: true
@@ -10,9 +10,13 @@ cache:
         - node_modules/
         - .yarn
 
-yarn install:
-    stage: test
+install:
+    stage: build
     script:
         - yarn config set cache-folder .yarn
         - yarn install
+
+lint:
+    stage: build
+    script:
         - yarn lint