Corrected shellcheck CI test

.gitlab-ci.yml

@@ -62,7 +62,7 @@ shellcheck:
   allow_failure: true
   script:
   - which shellcheck || apt-get update && apt-get install -y shellcheck
-  - shellcheck *.sh
+  - find . -name *.sh -not -path "./docs.it4i/*" -not -path "./site/*" -exec shellcheck {} +
 
 deploy to stage:
   environment: stage