fix invalid artifacts

.gitlab-ci.yml

@@ -34,7 +34,8 @@ pages-build:node:
     - yarn install
     - yarn compile
   artifacts:
-    paths: public/
+    paths:
+      - public/
 
 pages-build:php:
   image: compose:latest
@@ -43,7 +44,8 @@ pages-build:php:
     - cd public/API
     - composer install
   artifacts:
-    paths: public/
+    paths:
+      - public/
 
 pages:
   image: busybox