WebGPU Compute Shaders Addon

Since compute shaders are one of the notable new features of WebGPU, making a q5 style wrapper for them would be cool!

https://webgpufundamentals.org/webgpu/lessons/webgpu-compute-shaders.html

If anyone is interested in working on making a q5 addon library for this, could be named "q5-compute", let me know!