Refresh collage artwork with Xet-tracked PNGs

Restore Space config and track collage images with Git LFS

Remove unused JavaScript file and delete multiple video files to clean up the project. The following files were removed: index.js, blueshirt.mp4, book.mp4, chair-tp.mp4, coffee.mp4, dollyzoom-depth.mp4, dollyzoom-stacked.mp4, dollyzoom.mp4, fullbody.mp4, mask-nobg.mp4, mask.mp4, matting.mp4, replay.mp4, shiba.mp4, steve.mp4, teaser.mp4, toby.mp4, and toby2.mp4.

initial commit

Duplicate from nerfies/paper-template