Feature/update cloud example

[LorenzzoQM]

Description

Closes #342

Updates the cloud with reimaging example script to incorporate recent changes and new actor-critic network architecture.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How should this pull request be reviewed?

• By commit
• All changes at once

Future Work

Update with the related publication information once available.

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have made corresponding changes to the documentation and release notes
• My changes generate no new warnings
• [] I have added tests that prove my fix is effective or that my feature works

[Copilot]

Pull request overview

Updates the “Cloud Environment with Re-imaging” example notebook to reflect the updated observation/action space and demonstrates new greedy heuristics plus a custom token/attention-based actor-critic architecture for RLlib PPO. Also documents the update in the v1.3.0 release notes.

Changes:

• Refresh the environment configuration (observations/actions/lookahead) and reward logic in cloud_environment_with_reimaging.ipynb.
• Add greedy heuristic baselines (re-imaging and single-picture) and a custom RLlib RLModule with attention-based actor/critic definitions.
• Add a release note entry indicating the example has been updated.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 6 comments.

File	Description
examples/cloud_environment_with_reimaging.ipynb	Updates the cloud re-imaging tutorial with new observation/action definitions, heuristics, and custom actor-critic/RLModule code.
docs/source/release_notes.rst	Adds a release note entry referencing the updated example notebook.

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

[Yume27]

Great example and show the new structure! Maybe good to think about splitting the code into two later, but good for now. And passed the tests and ran correctly.