(toy) WGSL Shadertoy

Just an editor and a canvas based on https://alain.xyz/blog/raw-webgpu .

• Demo https://r.tiye.me/Triadica/wgsl-shadertoy/ .
• WGSL API Docs https://www.w3.org/TR/WGSL/

Turn on WebGPU on Chrome Canary and by enabling chrome://flags/#enable-unsafe-webgpu https://developer.chrome.com/docs/web-platform/webgpu/#use .