Restore main branch to commit 2470dcd: FIX #1 - Add importmap for three.js + talkinghead

Clean up debug scratch files

Restore _setup.txt from commit 891774c

Delete *, .dockerignore, .gitignore, .rebuild-trigger, CLAUDE.md, Dockerfile, README.md, app.js, bun.lock, index.html, index.ts, package.json, public/*, public/avatars/*, public/vendor/*, public/vendor/model-en-mixed.bin, public/worklets/*, src/*, src/s2s/*, src/vendor/*, style.css, thumbnail.webp, tsconfig.json, _*

Upload _setup.txt with huggingface_hub