ci: get CI ready for publishing the npm package

.gitlab-ci.yml

@@ -0,0 +1,20 @@
+image: registry.gitlab.com/openstapps/projectmanagement/node
+
+stages:
+  - test
+  - publish
+
+prettier config file:
+  stage: test
+  script:
+    - npm test
+
+package:
+  tags:
+    - secrecy
+  stage: publish
+  script:
+    - echo "//registry.npmjs.org/:_authToken=$NPM_AUTH_TOKEN" > ~/.npmrc
+    - npm publish --access=public
+  only:
+    - /^v[0-9]+\.[0-9]+\.[0-9]+$/