Add TrCommandBufferManager for renderer-side WebGPU command encoding#406

Copilot wants to merge 4 commits intoadd/wgpu-with-glslangM-CreativeLab/jsar-runtime:add/wgpu-with-glslangfrom

copilot/add-tr-command-buffer-managerM-CreativeLab/jsar-runtime:copilot/add-tr-command-buffer-managerCopy head branch name to clipboard