Update native_api doc to match the change in the get_model_info endpoint#7660

JustinTong0323 merged 7 commits intosgl-project:mainsgl-project/sglang:mainfrom

Arist12:update_doc_to_match_new_model_infoArist12/sglang:update_doc_to_match_new_model_infoCopy head branch name to clipboard