🎨 Palette: [UX improvement] Enhance README DX and accessibility

[Igor Holt (igor-holt)]

💡 What:

I've implemented several micro-UX/DX improvements to the README.md, which serves as the primary interface for this project.

1. Architecture Visualization: Added a Mermaid diagram illustrating the relationship between Cloud-Native, Orchestration, and Infrastructure layers.
2. Status Visibility: Replaced a small badge with a prominent GitHub [!CAUTION] alert to clearly communicate the experimental nature of the project.
3. Accessibility Enhancements: Added title attributes to badges and links to provide more context for screen readers and mouse-over tooltips.
4. Brand Identity: Added an "Origin" section to credit the creator and place the project within its ecosystem.

🎯 Why:

As a project without a frontend, the README.md is the user's first and primary interaction point. These changes improve scannability, accessibility, and immediate understanding of the project's complex architecture and maturity status.

♿ Accessibility:

• Added descriptive title attributes to links and images.
• Used high-contrast GitHub alert blocks for critical project status information.

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PR created automatically by Jules for task 10639489550124283201 started by Igor Holt (@igor-holt)

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[gemini-code-assist]

Code Review

This pull request updates the README.md to include a cautionary note regarding its experimental status, an 'Origin' section, and a Mermaid diagram illustrating the system architecture. Feedback suggests improving the document's organization by placing the architecture diagram under its own dedicated heading to enhance scannability.

[gemini-code-assist]

To improve the document's structure and scannability, consider placing this diagram under its own Architecture heading. This makes the README easier to navigate and provides a clear section for this important information.

## 🏛️ Architecture

```mermaid
graph TD
    subgraph CloudNative [Cloud-Native]
        K8s[Kubernetes Cluster]
    end

    subgraph Orchestration [Orchestration]
        Arbiter((Arbiter Core))
        QA[Quantum Accelerator]
    end

    subgraph Infrastructure [Infrastructure]
        ASHARD[aSHARD VRAM Pinning]
        Hardware[Bare-Metal Hardware]
    end

    K8s <--> Arbiter
    Arbiter <--> QA
    Arbiter <--> ASHARD
    ASHARD <--> Hardware

    style Arbiter fill:#f96,stroke-width:4px