- Add 6 TUI screenshots to assets/ (monitors, alerts, logs, nodes, detail, theme)
- Rewrite README with hero image, badges, collapsible install sections
- Rewrite changelog to match actual CalVer tag history
- VHS tooling extracted to lerko/uptop-vhs
Reviewed-on: lerko/uptop#32
Replace old README that referenced rdgames1000 Docker images and
goupkeep.org docs. New README reflects current feature set and
credits the original project as the fork source.