add comments & add jfrog cli installation command

npm-packages/artifactory_built.yml

@@ -8,8 +8,15 @@ artifactory:
   variables:
     GIT_STRATEGY: none
   script:
+    #set root user
+    - npm -g config set user root
+    # install jfrog cli
+    - npm install -g jfrog-cli-go
+    #create a publish package
     - jfrog rt npm-publish --build-name=$CI_PROJECT_NAME --build-number=$CI_JOB_ID
+    # save environment variables into thepackage
     - jfrog rt bce $CI_PROJECT_NAME $CI_JOB_ID
+    # publish the package to artifactory
     - jfrog rt bp $CI_PROJECT_NAME $CI_JOB_ID
   only:
     - tags
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