add quickstart section
add quickstart section
biddisco/ucx,miked-mellanox/ucx,biddisco/ucx,miked-mellanox/ucx,sergsagal1/ucx_rocm,manjugv/ucx,abouteiller/ucx,sergsagal1/ucx_rocm,shssf/ucx,shssf/ucx,abouteiller/ucx,shssf/ucx,manjugv/ucx,abouteiller/ucx,sergsagal1/ucx_rocm,abouteiller/ucx,biddisco/ucx,miked-mellanox/ucx,manjugv/ucx