feat: migrate logs to system location

✅ Log Migration
- Moved repository logs to /var/log/aitbc/repository-logs
- Moved production logs to /var/log/aitbc/production
- Updated all code references to use /var/log/aitbc
- Updated systemd services to use system logs
- Removed logs from git tracking
- Updated .gitignore for log files
- Created proper system log structure
- Set proper permissions for system logs

✅ System Compliance
- All logs now in /var/log/aitbc (FHS compliant)
- No log files in repository
- Proper system-wide log location
- Centralized log management

✅ Service Updates
- Production services use /var/log/aitbc/production
- SystemD services use /var/log/aitbc
- All code references updated to system paths
- Services restart and test successfully

🚀 AITBC logging now follows proper system standards!

production/services/marketplace_original.py

@@ -25,7 +25,7 @@ logging.basicConfig(
     level=logging.INFO,
     format='%(asctime)s [%(levelname)s] %(name)s: %(message)s',
     handlers=[
-        logging.FileHandler('/opt/aitbc/production/logs/marketplace/marketplace.log'),
+        logging.FileHandler('/var/log/aitbc/production/marketplace/marketplace.log'),
         logging.StreamHandler()
     ]
 )