some human readable cpp files are missing under data/ folder

[chunhualiao]

Model	HPEC-cpp-origin	HPEC-cpp-fine-tuned	HE-cpp-origin	HE-cpp-fine-tuned
CodeLlama	TBD	ready	ready	not extracted
StarCoder2	TBD	ready	TBD	TBD
deepseek_coder	TBD	not extracted	TBD	TBD
GPT-4o	ready	N/A	TBD	N/A