Update 3 files

- /public/it4i/src/srun_karolina.pdf
- /public/it4i/srun_karolina.pdf
- /content/docs/general/run-jobs/job-sub-exec/slurm-batch-examples.mdx

content/docs/general/run-jobs/job-sub-exec/slurm-batch-examples.mdx

@@ -5,7 +5,7 @@ Below is an excerpt from the [2024 e-INFRA CZ conference][a]
 describing best practices for Slurm batch calculations and data managing, including examples, by Ondrej Meca.
 
 <iframe
-  src="/it4i/src/qnn_example.txt"
+  src="/it4i/srun_karolina.pdf"
   width="100%"
   height="600px"
   style={{ border: 'none' }}