Update 2 files

• /docs.it4i/general/slurm-batch-examples.md
• /docs.it4i/src/5_einfra_meca.pdf

docs.it4i/general/slurm-batch-examples.md

+---
+hide:
+
+- toc
+
+---
+
+# Slurm Batch Jobs Examples
+
+Below is an excerpt from the [2024 e-INFRA CZ conference][1]
+describing best practices for Slurm batch calculations and data managing, including examples, by Ondrej Meca.
+
+![PDF presentation on Slurm Batch Jobs Examples](../src/5_einfra_meca.pdf){ type=application/pdf style="min-height:100vh;width:100%" }
+
+[1]: https://www.e-infra.cz/en/e-infra-cz-conference
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