Initial public release of ColmapView - a web-based 3D viewer for COLMAP reconstruction data.

Live demo: https://colmapview.github.io/

Features:
- 3D point cloud visualization with multiple color modes (RGB, error, track length)
- Camera frustum display with optional image plane textures
- Image gallery with grid/list views and camera filtering
- Image detail modal with keypoint and match visualization
- Interactive 3D controls with fly-to-camera animation
- Rainbow mode for animated color cycling
- COLMAP binary/text format and database support
- Drag-and-drop file loading
- Automatic GitHub Pages deployment