Rename repository from eic-opticks to simphony

[plexoos]

Track the repository renaming process:

• Change repository name from eic-opticks to simphony.
• Update all documentation, references, and CI/CD pipelines to use the new name.
• Inform collaborators of the change and potential impacts (e.g., new clone URLs).
• Check integrations and external links for compatibility after rename.

Tasks:

• Rename repository on GitHub
• Update README and documentation
• Notify relevant stakeholders
• Validate all links and integrations