try add pages back

.gitlab-ci.yml

@@ -39,4 +39,16 @@ checkerrors:
     - R -e 'devtools::check(error_on = c("error"),document = FALSE, args = "--no-tests")'
 
 
+pages:
+  tags: 
+    - pages
+  stage: deploy
+  script:
+    - echo 'Nothing to do...'
+  artifacts:
+    paths:
+      - public
+  only:
+    - master
+