wgsl-play Test Pages

• basics - inline shaders, conditions, autoplay
• loading - npm CDN, shaderRoot, ?static, ?link
• connect - wgsl-edit connection, virtualLibs
• uniforms - @uniforms controls, mouse
• resources - @texture, @sampler, @buffer
• compute - @compute entry, @buffer readback
• resize - resizable handles (BR + BL), flex splitter