feat: fix Bybit Unified Account support and enhance Docker logging for ping_pong_bot

- Added accountType='UNIFIED' to wallet balance requests
- Updated balance retrieval to support totalWalletBalance for UTA
- Replaced rich.Live with standard logging for better Docker compatibility
- Added PYTHONUNBUFFERED=1 to ensure real-time logs in containers
- Updated docker-compose to point to NAS database (20.20.20.20)
- Created GEMINI.md with comprehensive project context

.geminiignore

@@ -0,0 +1,29 @@
+# Security - Protect your API keys and credentials
+.env
+.env.*
+.git/
+
+# Python artifacts
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Logs - Prevents the AI from reading massive log files
+logs/
+*.log
+
+# Database & Data - Prevents reading binary/huge data files
+docker/data/
+*.dump
+*.sqlite
+*.csv
+
+# Environment & Dependencies
+venv/
+.venv/
+node_modules/
+
+# OS/IDE files
+.vscode/
+.idea/
+.DS_Store