please compile ffmpeg-core.js to wasm file type

[wxyer]

now the size of ffmpeg-core.js file is amost 23mb ,is too big ,and i found the file contains base64 charactor, i guess this is wasm file，wasm file in other rep just 6mb, but i like this rep

[jeromewu]

Hi, now you find the one with separated wasm file here: https://github.com/ffmpegjs/FFmpeg/tree/n4.1.4-js/dist-wasm

I also released it in a another npm package: https://www.npmjs.com/package/@ffmpeg/core-wasm

[grkblood13]

@jeromewu, running this package I get the following in the browser:

ffmpeg-core.js:27 Uncaught (in promise) TypeError: Failed to execute 'fetch' on 'WorkerGlobalScope': Failed to parse URL from ffmpeg-core.wasm
    at ffmpeg-core.js:27
    at Object.m.asm (ffmpeg-core.js:27)
    at ffmpeg-core.js:282
    at Object.y [as load] (index.js:16)
    at Object.r.dispatchHandlers (index.js:86)
    at index.js:5