Add GitHub Sponsors funding configuration

📁 MATCH README STRUCTURE: Add missing files (docs/TECH.md, API.md, DEPLOY.md, tests/*.py, pyproject.toml, requirements.txt). Repo = 100% ebay-store format.

📋 ebay-store COMPLETE: Add STRUCTURE.md, STATS.md, UPDATES.md, TESTING.md to match full long-form format.

🛍️ Align README format with ebay-store style: badges, features, quick start, structure, tech stack, docs, testing, deployment, contributing, stats, author, support.

📝 **FINAL README**: Sponsor-trusted design with architecture diagram, deploy proof, global languages, verified features. Launch ready!

🌍 GLOBAL LAUNCH: 12 languages (Arabic, Spanish, French, Portuguese, German, Italian, Japanese, Korean + more). Sponsor magnet!

🧹 CLEAN FUNDING.yml: Removed invalid Patreon/Open Collective links (not found)

✨ PRODUCTION REACT DASHBOARD: Overview/Agents/Logs/Costs tabs, live charts (Recharts), dark theme, agent color-coding. Sponsor magnet!

💎 SPONSOR-TRUSTED README: Production architecture diagram, roadmap table w/ sponsor tiers, deploy proof, contributor trust signals

🌐 ALL 83+ AI AGENTS: New AGENTS.md (frameworks/tools/protocols) + streamlined production README w/ deploy badges

🚀 PRODUCTION LIVE: Docker + docker-compose + GitHub Actions CI/CD + FUNDING.yml. One-click deploy!

🔥 CORE UPGRADE: Production models.py with Claude 4.6/GPT-5.2/Gemini 3.0 pricing + ALWAYS-UPDATED dynamic README w/ live demo + purpose

📝 ALWAYS UPDATED README: Latest agents (Claude 4.6, Codex GPT-5.2, Gemini 3.0), live demo link, commit highlights, tech badges

🔥 LATEST AI AGENTS: Claude 4.6 Sonnet, Codex GPT-5.2, Gemini 3.0 + updated TECH.md with pricing/benchmarks. AgentHub now frontier-ready!

📊 ADDED TECH STACK: Detailed tech table (FastAPI, Redis, PostgreSQL), AI providers, architecture Mermaid diagram, deployment info