Add optimize_your_claude_usage to Community Guides

[happyCoding2025]

What this adds

optimize_your_claude_usage — a practical toolkit for reducing Claude Code costs by 70%+ using a dual-AI architecture.

Why it belongs here

• Fits Community Guides — practical guide with real-world cost data
• Open source (MIT), actively maintained
• Clear, measurable value: $80-120/month → $26/month documented with token-level cost breakdown
• Includes ready-to-use templates (CLAUDE.md rules, /ark command) that work with any Claude Code setup

Contents

• CLAUDE.md rules template (drop-in, no personal info)
• /ark delegation command for structured executor handoff
• Cost breakdown guide with Python cost calculator
• File-splitting guide for large codebases
• Dual-AI setup guide (compatible with Gemini Flash, GPT-4o-mini, local models, etc.)