# description
Manifest at the root of a .deck package (a Zip containing this file plus the self-contained index.html; MIME type: application/x-deck). Only `entry` is strictly required; everything else has sensible defaults.

# properties.id.description
Package identifier; also used as the .deck filename.

# properties.entry.description
Relative path to the deck's entry HTML inside the package.

# properties.orientation.description
Intended presentation orientation. 1920x1080 decks are landscape.

# properties.thumbnail.description
Optional relative path, inside the package, to a preview image (e.g. "thumbnail.png"). Player apps may display it in their library. Use PNG, JPEG, WebP, or SVG.