cpu-amx: add dit_medium_bf16_flash.so (bf16 DiT engine)

cpu-amx: add dit_medium_bf16.so (bf16 DiT engine)

cpu-amx: add int8 encoders (same_{s,l}_encoder_int8, SmoothQuant+GPTQ) + README row

cpu-amx: consistent <model>_<precision> filenames (t5gemma_bf16, dit_medium_int8, same_*_encoder_bf16)

Add cpu-amx: torch-free C++/AMX engines (T5Gemma bf16, medium DiT int8, SAME-S/L bf16+int8 decoders, SAME-S/L encoders) + weight blobs + README

Add ONNX files for per-arch TRT compilation

Add pipeline_state + per-model padding_embedding for SA3 TRT pipeline

Add SA3 TRT engines (LFS-tracked)

Add logo

initial commit