Prometheus: Add README for Hunyuan3D-2

[speexx87]

Prometheus: Add README for Hunyuan3D-2

Summary of Changes

This PR adds a README file for the Hunyuan3D-2 repository.

[tencent-adm]

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[mexemexe]

PR Review: README_Prometheus.md Quality Review

Recommendation: APPROVE

Justification

• The README provides an extremely comprehensive and well-structured documentation for the Hunyuan3D 2.0 project
• Covers all critical aspects of the repository including project overview, features, installation, usage, and contribution guidelines
• Includes detailed technical information about the project's architecture, technologies, and capabilities
• Follows best practices for README documentation with clear sections and extensive information
• Provides in-depth technical details about the project's AI-powered 3D asset generation platform