<!-- Thanks for sending a pull request! BEFORE SUBMITTING, PLEASE READ https://docs.vllm.ai/en/latest/contributing/overview.html --> ### What this PR does / why we need it? Add feature and model support matrix ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? CI test is enough Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>