Add RECASTMLP LLaMA model

Upload recastmlp_llama/config.json with huggingface_hub

Upload recastmlp_llama/__init__.py with huggingface_hub

Upload recastmlp_llama/configuration_recastmlp_llama.py with huggingface_hub

Upload recastmlp_llama/modeling_recastmlp_llama.py with huggingface_hub

initial commit