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.service.template

@@ -0,0 +1,19 @@
+[Unit]
+Description=Awesome Database Indexing
+After=network.target docker.service
+
+[Service]
+Type=oneshot
+User={{USER}}
+WorkingDirectory={{WORK_DIR}}
+ExecStart={{SCRIPT_PATH}}
+StandardOutput=journal
+StandardError=journal
+
+# Restart on failure
+Restart=on-failure
+RestartSec=300
+
+# Resource limits (optional)
+# MemoryMax=2G
+# CPUQuota=50%