render website and manage generated mpg.csv file in same step

.gitlab-ci.yml

@@ -14,8 +14,9 @@ pages:
       Rscript -e "install.packages('openxlsx')"
       #session 4
       Rscript -e "install.packages(c('ghibli', 'nycflights13','viridis','ggrepel'))"
-    - quarto render
     - |
+      # rendering
+      quarto render
       # manage mpg.csv file by hand because it is strangely missing
       cp session2/mpg.csv public/session2/mpg.csv
   interruptible: true