Update .gitlab-ci.yml file

.gitlab-ci.yml

+stages:       
+  - build
+
+zip-job:
+  stage: build
+  image: alpine
+  script:
+    - echo "Create Zip-File"
+  artifacts:
+    name: "arduino_components"
+    paths:
+      - ./
+    expire_in: 1 week
+    when: on_success