FileLance archive engines

sevenzip-wasm 26.3.0 / 7-Zip 26.03. Unmodified WASM; JS wrapper adds an ES-module export.
License: /vendor/7zip-LICENSE.txt (GNU LGPL with unRAR restriction).
Corresponding source and WASM build scripts: https://github.com/arktronic/sevenzip-wasm/tree/b4406198ad5399dc277cc13ab288f54b676aa411
7-Zip source: https://github.com/arktronic/sevenzip-wasm/tree/b4406198ad5399dc277cc13ab288f54b676aa411/7zip

@zip.js/zip.js 2.15.0, BSD-3-Clause: https://github.com/gildas-lormeau/zip.js
@bokuweb/zstd-wasm 0.0.27, MIT: https://github.com/bokuweb/zstd-wasm
Zstandard, BSD/GPLv2: https://github.com/facebook/zstd

License notices: /licenses/zip-js-LICENSE, /licenses/zstd-wasm-NOTICE.txt, /licenses/zstandard-LICENSE.txt.