[yusuk-esuzuki]

Add SOLHYPE README (testing phase)

Summary

Adds the project README for SOLHYPE, a Solana memecoin to Hyperliquid perpetuals leverage engine. The project is explicitly marked as being in a testing / experimental phase.

What's included

• Project Status: Testing Phase section at the top, with status/stage badges and a table describing the current maturity of each area
• Risk notice and full Risk Disclosure section
• Architecture overview with Mermaid diagrams (system flow, signal-to-fill sequence, position state machine, pre-trade risk checklist, roadmap)
• Feature overview, supported market tiers and asset mapping registry example
• Quick start (paper, testnet, live), Docker Compose setup and configuration reference
• Strategy modules and signal scoring
• Risk engine: liquidation distance, position sizing with a worked example, circuit breakers
• Execution pipeline, Solana signal layer, control API reference
• Observability, performance, security model, testing and backtesting
• Roadmap and contributing guidelines