chore: rename ai16z -> elizaOS

[monilpat]

Relates to

N/A

Risks

Low. This is a straightforward renaming change across the project. No core logic or functionality is altered. Risks are limited to potential missed references or inconsistencies in documentation or codebase.

Background

What does this PR do?

This PR renames all instances of ai16z in the project to elizaOS. This includes updates to:

• Code variables, constants, and file names.
• Documentation references.
• Comments and inline notes.

What kind of change is this?

Updates (non-breaking change which standardizes naming).

Documentation changes needed?

My changes require a change to the project documentation.

• I have updated documentation files to replace ai16z with elizaOS where applicable.

Testing

Where should a reviewer start?

1. Begin by reviewing the changes in the main code files where the rename occurs (e.g., core/main.py, settings/config.yaml).
2. Check updated documentation files.

Detailed testing steps

1. Clone the branch and verify that all references to ai16z are replaced with elizaOS.
2. Run automated tests to ensure no functionality is broken.
3. Manually navigate through UI or CLI (if applicable) to confirm that the rename reflects correctly.

Screenshots

Before

N/A

After

N/A

Deploy Notes

No additional deployment steps are necessary beyond standard CI/CD pipelines.

Database changes

None.

Deployment instructions

None beyond automated steps.