Blasphemer WebAssembly runtime for PLAYCHIVE

Engine: Chocolate Heretic from https://github.com/chocolate-doom/chocolate-doom
Pinned engine commit: 353cf5001dfd5777c13327010fa58acb57b913b2
Bundled game data: Blasphemer v0.1.8 from https://github.com/Blasphemer/blasphemer
Release archive: blasphem-0.1.8.zip

The engine and bundled Blasphemer data are distributed under GPL-2.0-or-later.
PLAYCHIVE packages a browser-specific build patch that starts the first-load
session silently for mobile compatibility and runs the native frame loop through
Emscripten. No original Heretic data, uploads, external level downloads or
player-supplied files are included or required.