feat: add VPS deployment automation with systemd templates

Add automated VPS deployment system for remote database indexing:
- Interactive setup script with SSH deployment
- Systemd service/timer templates for daily scheduling
- Indexing script with Docker container support
- Comprehensive README documentation

Features:
- Automated daily indexing on remote servers
- Optional Docker container deployment
- Configurable paths, schedules, and incremental mode
- Full monitoring and management commands
- Troubleshooting guide for common issues

Usage: cd deploy && ./setup-vps.sh

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

deploy/awesome-index.timer.template

@@ -0,0 +1,15 @@
+[Unit]
+Description=Daily Awesome Database Indexing Timer
+Requires=awesome-index.service
+
+[Timer]
+# Run daily at {{SCHEDULE_TIME}}
+OnCalendar=daily
+OnCalendar={{SCHEDULE_TIME}}
+Persistent=true
+
+# Random delay to avoid peak times (optional)
+# RandomizedDelaySec=30min
+
+[Install]
+WantedBy=timers.target