Prometheus: Add README for cube

[SoYan500]

Prometheus: Add README for cube

Summary of Changes

This PR adds a README file for the cube repository.

[Alexdyn1927]

PR Review: Review of README_Prometheus.md for Cube 3D Project

Recommendation: APPROVE

Justification

• The README_Prometheus.md provides an exceptionally comprehensive and well-structured documentation for the Cube 3D project.
• It thoroughly explains the repository's purpose, technical details, and usage instructions.
• Covers key aspects including project overview, technical architecture, installation, usage, and contributing guidelines.
• Includes critical sections like prerequisites, installation steps, quick start guide, and evaluation metrics.
• Provides in-depth technical details about the model architecture, training configuration, and performance characteristics.
• Addresses potential user concerns with troubleshooting, limitations, and future roadmap.
• Follows best practices for README documentation with clear sections, code examples, and detailed explanations.