docs: add Customization and Tailscale wiki pages - New: Customization.md — logo convention, landing branding, QLC+ v4/v5 compat - New: Tailscale.md — remote access setup guide, MCP over tailnet - Updated: _Sidebar.md — added new pages under Advanced - Updated: Configuration.md — branding and remote access cross-links - Updated: Troubleshooting.md — blank web UI and USB disconnect sections

gfargo committed Jun 9, 2026