Add web demo using wasm

[lzpel]

Reference
https://nextjs.org/docs/messages/middleware-dynamic-wasm-compilation

[lzpel]

入力テンプレートをパス指定するシステムではファイルを開けないwasm環境でデモが動かない
include_str!マクロを前提としたシステムではbuiltinテンプレートへのパスを隠蔽できない
どうする？

builtin_template(str)->strを作る。内部はinclude_str!

[lzpel]

カスタムビルドコマンドをどうやって実行してgh-pagesに挙げるのかが問題

[lzpel]

Ref: rustwasm/wasm-bindgen#4211

> next build

   ▲ Next.js 15.1.2

   Creating an optimized production build ...
<w> [webpack.cache.PackFileCacheStrategy] Skipped not serializable cache item 'Compilation/modules|webassembly/async|/home/lzpel/mandolin/demo/lib/wasm_bg.wasm|ssr': No serializer registered for CompileError
<w> while serializing webpack/lib/cache/PackFileCacheStrategy.PackContentItems -> webpack/lib/NormalModule -> webpack/lib/ModuleParseError -> CompileError
Failed to compile.

./lib/wasm_bg.wasm
Module parse failed: Internal failure: parseVec could not cast the value
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
Error: Internal failure: parseVec could not cast the value
    at parseVec (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:1:119284)
    at parseTypeSection (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:1:119694)
    at parseSection (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:1:134162)
    at Object.decode (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:1:139551)
    at decode (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:1:144834)
    at WebAssemblyParser.parse (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:28:1473078)
    at /home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:28:410486
    at processResult (/home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:28:406448)
    at /home/lzpel/mandolin/demo/node_modules/next/dist/compiled/webpack/bundle5.js:28:407465
    at /home/lzpel/mandolin/demo/node_modules/next/dist/compiled/loader-runner/LoaderRunner.js:1:8727

Import trace for requested module:
./lib/wasm_bg.wasm
./lib/wasm.js
./app/compare.tsx


> Build failed because of webpack errors
make: *** [Makefile:12: deploy] Error 1

[lzpel]

rustcのバージョンを1.81にダウングレードして動くようになった。完成