Update model card, filenames, and checksums

Simplify download guide and document all quant profiles

Update dynamic quant repository link

Update README.md for short checkpoint names

Move dynamic-time separate-QKV checkpoints to dedicated repository

Add files using upload-large-folder tool

Add quality21 Ref2VA checkpoint and validation

Add stock MiniMax-H3 video and audio VAEs

Make stock-compatible table-k16 checkpoint the default release

Remove conversion tools from model repository

Add model card, ComfyUI patch, validation reports, and tools