- reduce color palette to red/cyan/white/gray; alias legacy vars onto CYAN
- add show_box_top/mid/bottom, show_separator, show_menu_item, show_prompt helpers to lib/common.sh
- update apps/index.sh and tools/index.sh to use new UI helpers instead of inline echo/ANSI
- drop BLINK, REV escape codes and remove hardcoded prompt strings from callers
- add main entrypoint with interactive menu and CLI dispatcher (lxs.sh)
- add shared helpers library with colors, loggers, and spinner (lib/common.sh)
- add app installers for coolify, pterodactyl, uptime-kuma, cloudpanel, and proxmox (apps/)
- add system tools for monitoring, benchmarking, and hardening (tools/)
- add VERSION file (0.1.0) as single source of truth for releases
- add MIT LICENSE
- expand README with usage, project structure, and release workflow