Update uzl_omics.md

For the UzL OMICS cluster it is necessary to be in $WORK directory. After erasing the workDir in the configuration file, it is even more necessary to provide it in the batch-script.

docs/uzl_omics.md

@@ -20,6 +20,11 @@ For Nextflow versions newer than 23.07.0-edge, it is necessary to explicitly mou
 NXF_SINGULARITY_HOME_MOUNT=true
 ```
 
+You need to run the pipeline in `$WORK`. You can specify this in your batch-script, as in the following expample:
+
+```bash
+cd $WORK/nf-core_rnaseq_launchDir 
+```
 
 ## Below are non-mandatory information