Fixes Dependency Install Documentation Rendering for Ray Integration (#1538)

# Description

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This adds the correct whitespace to load the code block correctly in the
dependency install section of the experimental ray functionality.

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## Type of change

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- Bug fix (non-breaking change which fixes an issue)
- This change requires a documentation update

## Screenshots


![image](https://github.com/user-attachments/assets/5ec71790-32f2-4f1c-b89f-87ce06b88a48)


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## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
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- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
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- [x] I have updated the changelog and the corresponding version in the
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docs/source/features/ray.rst

@@ -106,6 +106,7 @@ be installed via the `Kubernetes website <https://kubernetes.io/docs/tasks/tools
 The pythonic dependencies can be installed with:
 
 .. code-block:: bash
+
   # For multi-run support and resource isolation
   ./isaaclab.sh -p -m pip install ray[default]==2.31.0
   # For hyperparameter tuning