Update model card with validation artifacts and usage

Add validation artifact validation/commands/fp8_fixed_qwen_image_edit_512_8_benchmark.sh

Add validation artifact validation/commands/bf16_qwen_image_edit_512_8_benchmark.sh

Add validation artifact validation/benchmark/qwen_image_edit_bf16_vs_fp8_fixed_512_8_compare.md

Add validation artifact validation/benchmark/fp8_fixed_qwen_image_edit_512_8_perf.json

Add validation artifact validation/benchmark/bf16_qwen_image_edit_512_8_perf.json

Add validation artifact validation/images/qwen_image_edit_fp8_fixed_512_8.png

Add validation artifact validation/images/qwen_image_edit_bf16_512_8.png

Add validation artifact validation/assets/qwen_image_edit_input.png

Upload SGLang ModelOpt FP8 transformer weights

Add model card

initial commit