Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -8,6 +8,7 @@ pages-master:
   stage: deploy
   script:
     - mkdir -p "$EXPORT_DIR/$CI_PROJECT_NAME"
+    - rm -rf "$EXPORT_DIR/$CI_PROJECT_NAME/*"
     - cp -r public/* "$EXPORT_DIR/$CI_PROJECT_NAME"
   tags: 
     - production