docs: update repo structure, fix Quick Start, add tar.gz to Data section

docs: unify badges — GitHub, HF, License

docs: update repo name references to MeshLex-Research

data: upload full processed dataset as tar.gz (patches + meshes + manifests)

docs: add full model card with badges, TOC, results, and quick start

Upload checkpoints/exp4_B_lvis_wide/training_history.json with huggingface_hub

Upload checkpoints/exp4_B_lvis_wide/checkpoint_final.pt with huggingface_hub

Upload checkpoints/exp2_A_lvis_wide/training_history.json with huggingface_hub

Upload checkpoints/exp2_A_lvis_wide/checkpoint_final.pt with huggingface_hub

Upload checkpoints/exp3_B_5cat/training_history.json with huggingface_hub

Upload checkpoints/exp3_B_5cat/checkpoint_final.pt with huggingface_hub

Upload checkpoints/exp1_A_5cat/training_history.json with huggingface_hub

Upload checkpoints/exp1_A_5cat/checkpoint_final.pt with huggingface_hub

initial commit