ECWolf WebAssembly runtime

Engine source: https://github.com/54ac/ecwolf-js
Pinned revision: 7a635c89225686bab870513e3c4441f07585b473
Engine lineage: ECWolf / Wolf4SDL, GPL build configuration.

This distribution intentionally contains no Wolfenstein 3D, Spear of Destiny,
or other commercial/shareware game data. The browser page accepts only files
selected locally by a player who lawfully owns the compatible game data.