chore: rename default backup dataset from paperclip-backup to huggingclip-backup

docs: update README with project showcase and donation info, and remove legacy links from health server UI

refactor: optimize Docker build layers, consolidate dependency patches, and modernize documentation

Fix routing, ECONNREFUSED, and Cloudflare setup

fix: valid HF Space colorTo value (black → gray)

chore: update README metadata and apply consistent code style to health server

chore: add HF Spaces YAML metadata to README

feat: initial HuggingClip release