Self-contained OpenSeadragon viewer + client-side OCR search (193 lines)

Default to Glycerine (self-contained UMD); triiiceratops RC CDN build deferred

Fix triiiceratops embed: load via jsdelivr +esm (resolves bare svelte imports)

Switch primary viewer to triiiceratops (web component); keep Glycerine fallback

Conform to IIIF Basic Newspaper recipe: ALTO via rendering, navDate, metadata

Surya OCR 2 line-level OCR on 1901 newspaper (IIIF)

initial commit